const annotation1 ={type:'line',scaleID:'x',borderWidth:3,borderColor:'black',value:5,label:{rotation:'auto',content:'Line at x=5',display:true},};
const annotation2 ={type:'line',scaleID:'x',borderWidth:3,borderColor:'black',value:90,label:{rotation:'auto',position:'start',backgroundColor:'black',content:'Line at x=90',display:true}};