'Year'|'Sales'|'Expenses'|'Profit'
'2014'|1000|400|200
'2015'|1170|460|250
'2016'|660|1120|300
'2017'|1030|540|350

'Element'|'Density'|{ role: 'style' }
'Copper'|8.94| '#b87333'
'Silver'|10.49|'silver'
'Gold'|19.30|'gold'
'Platinum'|21.45|'color: #e5e4e2'