{
"items": [
{
"1990_2011": 14.12, 
"2005_2011": 21.54, 
"2010_2011": 22.69, 
"label": "Solar - thermal"
}
], 
"properties": {"label": {"valueType": "text", "order": 0}, "2010_2011": {"valueType": "number", "order": 1}, "2005_2011": {"valueType": "number", "order": 2}, "1990_2011": {"valueType": "number", "order": 3}}
}