Render from/to areas in Highcharts line chart -

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i'm trying achieve in highcharts line chart has from/to areas. example, in chart below can see 2 from/to areas in gray (jan 2001/dec 2001 , dec 2007/march 2009 respectively). can done in highcharts?

chart

yes can added plotbands.

xaxis: {         plotbands: [{             color: '#fcffc5',             from: 4.5,             to: 7.5         }] },

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