Year	2015 = 100
2000	41.9671444086
2001	43.6221158526
2002	49.3296303277
2003	47.0751404737
2004	44.3419016067
2005	42.53487363
2006	54.2186683144
2007	52.2480269767
2008	51.8312787541
2009	62.8321073068
2010	64.2035827166
2011	59.5911944539
2012	77.0128607991
2013	79.428760697
2014	85.9462656099
2015	100
2016	1351.8466427578
2017	2387.913215056
2018	2503.5397022181
2019	2886.3423158048
2020	2015.3035966114
2021	1926.4198630971
