Year	Current Prices
2010-01-01	1661721000000
2011-01-01	2179024100000
2012-01-01	2637913800000
2013-01-01	3348308500000
2014-01-01	4579086400000
2015-01-01	5954510900000
2016-01-01	8188748800000
2017-01-01	10558497400000
2018-01-01	13012009500000
2019-01-01	15483806200000
2020-01-01	17942765900000
2021-01-01	20451816900000
2022-01-01	23017011400000
2023-01-01	25607665400000