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HTML 

              
                
<div class="flex-container">
	<div class="flex-row">
	   <canvas id="keyNumbers" width="400" height="100" aria-label="Chiffres clés de Sanofi"  role="img"></canvas>
    <img src="https://media.gettyimages.com/vectors/world-map-circle-vector-with-white-background-vector-id693373704" style="width:200px;">
	</div>
	
	<div class="flex-row">
    <button id="#2014" onclick="myFunction2014()" value="update graph">2014</button> 
		<button id="#2015" onclick="myFunction2015()" value="update graph">2015</button> <button id="#2016" onclick="myFunction2016()" value="update graph">2016</button> <button id="#2017" onclick="myFunction2017()" value="update graph">2017</button>	<button id="#2018" onclick="myFunction2018()" value="update graph">2018</button> <button id="#2019" onclick="myFunction2019()" value="update graph">2019</button>
	</div>
</div>
!

CSS 

              
                html {
    color: #222;
    font-size: 1em;
    line-height: 1.4;
}


body {
    font: 16px/26px Helvetica, Helvetica Neue, Arial;
}

/*===========
    Flex grid
   =============== */
.flex-container {
  box-sizing: border-box;
  margin: 0 auto;
  padding: 0 1em;
}
@media (min-width: 540px) {
  .flex-container {
    max-width: 540px;
  }
}
@media (min-width: 768px) {
  .flex-container {
    max-width: 768px;
  }
}
@media (min-width: 992px) {
  .flex-container {
    max-width: 992px;
  }
}
@media (min-width: 1200px) {
  .flex-container {
    max-width: 1200px;
  }
}

.flex-row {
  box-sizing: border-box;
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 1em;
  justify-content:center
}
button{
  margin:0 15px
}
img{
  width: 200px;
		position: absolute;
		top: 28px;
		z-index:-1
}
!

JS 

              
                window.chartColors = {
	green: '#BCBC1C',
	blue: '#525CA3',
	purple: '#C7B1D4',
	light:"#DFD7D4",
  primary:"#6B747B",
  brown:"#CAAE7A",
  mauve:"#A7877C"
};



var ctx = document.getElementById('keyNumbers').getContext('2d');
var myDoughnutChart = new Chart(ctx, {
    type: 'doughnut',
	 data: {
  datasets: [{
        data: [12391,8679,3363,2529,1156,2763,3612],
        backgroundColor: [
        window.chartColors.blue,
        window.chartColors.green,
        window.chartColors.purple,
		    window.chartColors.light,
        window.chartColors.primary,
        window.chartColors.brown,
        window.chartColors.mauve, 
      ]
      }],
      labels: [
        "Etats-Unis: 12 391 M€",
        "Europe: 8 679 M€",
        "Amérique Latine: 3363 M€",
        "Asie :2 529 M€",
        "Eurasie: 1156 M€",
        "Afrique et Moyen Orient: 2763 M€",
        "RDM: 3 612 M€"
      ]
    },
    options: {
	cutoutPercentage: 85, //width of the stroke
	responsive: true,
	legend: {
	onClick: function (e) {
		e.stopPropagation();
		},
	  position: 'bottom',
	},
   
    animation: {
      animateScale: true,
      animateRotate: true
    },

    tooltips: {
    callbacks: {
      label: function(tooltipItem, data) {
        var dataset = data.datasets[tooltipItem.datasetIndex];
        var meta = dataset._meta[Object.keys(dataset._meta)[0]];
        var total = meta.total;
        var currentValue = dataset.data[tooltipItem.index];
        var percentage = parseFloat((currentValue/total*100).toFixed(1));
        return  percentage + '%';
      },
      title: function(tooltipItem, data) {
        return data.labels[tooltipItem[0].index];
      }
    }
  },
  
  }
});
function myFunction2014() {
    myDoughnutChart.data.datasets[0].data[0] = "11339", 
	myDoughnutChart.data.datasets[0].data[1] = "9062",
	myDoughnutChart.data.datasets[0].data[2] = "3363",
	myDoughnutChart.data.datasets[0].data[3] = "2529",
	myDoughnutChart.data.datasets[0].data[4] = "1344",
	myDoughnutChart.data.datasets[0].data[5] = "2449",
	myDoughnutChart.data.datasets[0].data[6] = "3612",
	myDoughnutChart.data.labels[0] = "Etats-Unis: 11339 M€",
	myDoughnutChart.data.labels[1] = "Europe: 9062 M€",
	myDoughnutChart.data.labels[2] = "Amérique Latine: 3363 M€",
	myDoughnutChart.data.labels[3] = "Asie :2 529 M€",
	myDoughnutChart.data.labels[4] = "Eurasie: 1344 M€",
	myDoughnutChart.data.labels[5] = "Afrique et Moyen Orient: 2 449 M€",
	myDoughnutChart.data.labels[6] = "RDM: 3 612 M€",

    myDoughnutChart.update();
}
function myFunction2015() {
    myDoughnutChart.data.datasets[0].data[0] = "13406", 
	myDoughnutChart.data.datasets[0].data[1] = "9299",
	myDoughnutChart.data.datasets[0].data[2] = "3305",
	myDoughnutChart.data.datasets[0].data[3] = "3288",
	myDoughnutChart.data.datasets[0].data[4] = "1156",
	myDoughnutChart.data.datasets[0].data[5] = "2763",
	myDoughnutChart.data.datasets[0].data[6] = "3706",
	myDoughnutChart.data.labels[0] = "Etats-Unis: 13406 M€",
	myDoughnutChart.data.labels[1] = "Europe: 9299 M€",
	myDoughnutChart.data.labels[2] = "Amérique Latine: 3305 M€",
	myDoughnutChart.data.labels[3] = "Asie: 3288 M€",
	myDoughnutChart.data.labels[4] = "Eurasie: 1156 M€",
	myDoughnutChart.data.labels[5] = "Afrique et Moyen Orient: 2763 M€",
	myDoughnutChart.data.labels[6] = "RDM: 3706 M€",
	

    myDoughnutChart.update();
}
function myFunction2016() {
    myDoughnutChart.data.datasets[0].data[0] = "12391", 
	myDoughnutChart.data.datasets[0].data[1] = "8679",
	myDoughnutChart.data.datasets[0].data[2] = "2503",
	myDoughnutChart.data.datasets[0].data[3] = "3468",
	myDoughnutChart.data.datasets[0].data[4] = "10902",
	myDoughnutChart.data.datasets[0].data[5] = "2405",
	myDoughnutChart.data.datasets[0].data[5] = "3158",
	myDoughnutChart.data.labels[0] = "Etats-Unis: 12 391 M€",
	myDoughnutChart.data.labels[1] = "Europe: 8 679 M€",
	myDoughnutChart.data.labels[2] = "Amérique Latine:2503 M€",
	myDoughnutChart.data.labels[3] = "Asie: 3 468 M€",
	myDoughnutChart.data.labels[4] = "Eurasie: 1090 M€",
	myDoughnutChart.data.labels[5] = "Afrique et Moyen Orient: 2 405 M€",
	myDoughnutChart.data.labels[6] = "RDM: 3 158 M€",

    myDoughnutChart.update();
}

function myFunction2017() {
    myDoughnutChart.data.datasets[0].data[0] = "11855", 
	myDoughnutChart.data.datasets[0].data[1] = "9525",
	myDoughnutChart.data.datasets[0].data[2] = "2837",
	myDoughnutChart.data.datasets[0].data[3] = "3732",
	myDoughnutChart.data.datasets[0].data[4] = "1242",
	myDoughnutChart.data.datasets[0].data[5] = "2326",
	myDoughnutChart.data.datasets[0].data[6] = "3417"
	myDoughnutChart.data.labels[0] = "Etats-Unis: 11 855 M€",
	myDoughnutChart.data.labels[1] = "Europe: 9525 M€",
	myDoughnutChart.data.labels[2] = "Amérique Latine: 2 837 M€",
	myDoughnutChart.data.labels[3] = "Asie : 3 732 M€",
	myDoughnutChart.data.labels[4] = "Eurasie: 1 242 M€",
	myDoughnutChart.data.labels[5] = "Afrique et Moyen Orient: 2 326 M€",
	myDoughnutChart.data.labels[6] = "RDM: 3 417 M€",

    myDoughnutChart.update();
}

function myFunction2018() {
    myDoughnutChart.data.datasets[0].data[0] = "11540", 
	myDoughnutChart.data.datasets[0].data[1] = "9434",
	myDoughnutChart.data.datasets[0].data[2] = "2612",
	myDoughnutChart.data.datasets[0].data[3] = "3962",
	myDoughnutChart.data.datasets[0].data[4] = "1152",
	myDoughnutChart.data.datasets[0].data[5] = "2232",
	myDoughnutChart.data.datasets[0].data[6] = "3377"
	myDoughnutChart.data.labels[0] = "Etats-Unis: 11 540M€",
	myDoughnutChart.data.labels[1] = "Europe: 9 434 M€",
	myDoughnutChart.data.labels[2] = "Amérique Latine: 2 612 M€",
	myDoughnutChart.data.labels[3] = "Asie : 3  962 M€",
	myDoughnutChart.data.labels[4] = "Eurasie: 1152 M€",
	myDoughnutChart.data.labels[5] = "Afrique et Moyen Orient: 2232 M€",
	myDoughnutChart.data.labels[6] = "RDM: 3 377 M€",
	 myDoughnutChart.update();
}
function myFunction2019() {
  
	 myDoughnutChart.data.datasets[0].data[0] = "12756", 
	myDoughnutChart.data.datasets[0].data[1] = "8852",
	myDoughnutChart.data.datasets[0].data[2] = "2734",
	myDoughnutChart.data.datasets[0].data[3] = "4393",
	myDoughnutChart.data.datasets[0].data[4] = "1312",
	myDoughnutChart.data.datasets[0].data[5] = "2307",
	myDoughnutChart.data.datasets[0].data[6] = "3604",
    myDoughnutChart.data.labels[0] = "Etats-Unis: 12 756 M€",
	myDoughnutChart.data.labels[1] = "Europe: 8 852 M€",
	myDoughnutChart.data.labels[2] = "Amérique Latine: 2734 M€",
	myDoughnutChart.data.labels[3] = "Asie: 4 393 M€",
	myDoughnutChart.data.labels[4] = "Eurasie: 1 312 M€",
	myDoughnutChart.data.labels[5] = "Afrique & Moyen Orient : 2 307 M€",
	myDoughnutChart.data.labels[6] = "RDM: 3 604 M€",
    myDoughnutChart.update();
}
!
999px

Console