Year	Index (Units)
1992	27.468
1993	33.700
1994	40.200
1995	43.800
1996	47.800
1997	52.000
1998	55.400
1999	59.800
2000	65.140
2001	69.730
2002	74.790
2003	78.240
2004	80.740
2005	82.570
2006	84.870
2007	89.690
2008	91.550
2009	93.170
2010	94.900
2011	96.800
2012	99.390
2013	100.060
2014	100.200
2015	99.750
2016	100.260
2017	102.010
2018	103.460
2019	105.350
2020	104.210
2021	109.300
2022	120.510
2023	125.530
2024	128.301
2025	130.836
2026	133.447
2027	136.143
2028	138.860
2029	141.654