Year	Index
1993	0.011
1994	0.119
1995	0.962
1996	12.26
1997	19.808
1998	23.388
1999	28.772
2000	31.59
2001	36.226
2002	39.265
2003	44.032
2004	47.707
2005	51.055
2006	57.313
2007	62.628
2008	100
2009	109.727
2010	112.299
2011	126.716
2012	137.256
2013	138.884
2014	139.755
2015	132.612
2016	126.197
2017	124.249
2018	136.034
2019	146.07
2020	156.123
2021	165.502
2022	172.727
2023	180.426
2024	188.566