{ "items": [ { "label": 0, "period": "2012-2013", "value": -1.66, "product_label": "Gas" }, { "label": 1, "period": "2012-2013", "value": -0.63, "product_label": "Nuclear heat" }, { "label": 2, "period": "2012-2013", "value": 5.28, "product_label": "Renewable energies" }, { "label": 3, "period": "2012-2013", "value": -2.62, "product_label": "Solid fuels" }, { "label": 4, "period": "2012-2013", "value": -2.44, "product_label": "Total petroleum products" } ], "properties": {"product_label": {"valueType": "text", "order": 0}, "period": {"valueType": "text", "order": 1}, "value": {"valueType": "number", "order": 2}} }