Year	Index (Units)
1988	57.539
1989	58.955
1990	61.540
1991	63.460
1992	64.750
1993	66.233
1994	67.453
1995	70.109
1996	74.564
1997	74.164
1998	73.533
1999	72.766
2000	73.491
2001	74.151
2002	76.551
2003	78.349
2004	80.732
2005	84.095
2006	86.582
2007	90.114
2008	94.077
2009	93.702
2010	93.718
2011	95.846
2012	96.620
2013	98.172
2014	98.002
2015	97.429
2016	98.547
2017	99.565
2018	99.457
2019	99.620
2020	100.000
2021	104.906
2022	111.974
2023	116.143
2024	119.173
2025	120.672
2026	122.189
2027	123.726
2028	125.282
2029	126.857