_id	2010.0	2011.0	2012.0	2013.0	2014.0	2015.0	2016.0	2017.0
1	6.70999999999999996447286321199499070644378662109375	6.7400000000000002131628207280300557613372802734375	6.769999999999999573674358543939888477325439453125	6.79999999999999982236431605997495353221893310546875	6.92999999999999971578290569595992565155029296875	7.03000000000000024868995751603506505489349365234375	7.1500000000000003552713678800500929355621337890625	7.269999999999999573674358543939888477325439453125
2	6.21999999999999975131004248396493494510650634765625	6.3300000000000000710542735760100185871124267578125	6.44000000000000039079850466805510222911834716796875	6.67999999999999971578290569595992565155029296875	6.839999999999999857891452847979962825775146484375	6.8499999999999996447286321199499070644378662109375	6.86000000000000031974423109204508364200592041015625	6.87000000000000010658141036401502788066864013671875