[Chartjs]-How to set chart's percentageInnerCutout property with ng2-charts

Html

<canvas baseChart style="height: 100%; width:100%;    position: grid;
bottom: 40px;"
  [datasets]="doughnutChartData"
      [labels]="doughnutChartLabels"
      [chartType]="doughnutChartType"
      [options]="doughnutChartOptions"
      [colors]="doughnutChartColors"></canvas>

ts

doughnutChartOptions:any = {
cutoutPercentage: 55,
responsive: true,
legend: {
display: true,
position: ‘bottom’,
fullWidth: false,
labels:{
padding: 15,
fontSize: 10,
usePointStyle: true,
fontColor: ‘rgb(143, 142, 142)’,
boxWidth: 10,
}
},
}