siec_label	period	value
Natural gas	2005-2017	-0.96
Nuclear heat	2005-2017	-1.66
Oil and petroleum products (excluding biofuel portion)	2005-2017	-1.34
Renewables and biofuels	2005-2017	5.54
Solid fossil fuels	2005-2017	-2.56
Total	2005-2017	-0.74