{
"items": [
{
"siec_label": "Natural gas", 
"period": "1990-2017", 
"value": 1.15, 
"label": 0
}, 
{
"siec_label": "Nuclear heat", 
"period": "1990-2017", 
"value": 0.09, 
"label": 1
}, 
{
"siec_label": "Oil and petroleum products (excluding biofuel portion)", 
"period": "1990-2017", 
"value": -0.36, 
"label": 2
}, 
{
"siec_label": "Renewables and biofuels", 
"period": "1990-2017", 
"value": 4.45, 
"label": 3
}, 
{
"siec_label": "Solid fossil fuels", 
"period": "1990-2017", 
"value": -2.45, 
"label": 4
}, 
{
"siec_label": "Total", 
"period": "1990-2017", 
"value": 0.01, 
"label": 5
}
], 
"properties": {"siec_label": {"valueType": "text", "order": 0}, "period": {"valueType": "text", "order": 1}, "value": {"valueType": "number", "order": 2}}
}