Year	Index (Units)
1980	5.554
1981	6.727
1982	6.106
1983	6.242
1984	6.891
1985	8.414
1986	11.408
1987	15.196
1988	16.445
1989	18.719
1990	21.583
1991	24.705
1992	26.672
1993	28.189
1994	30.377
1995	30.611
1996	31.871
1997	33.896
1998	34.104
1999	35.222
2000	36.500
2001	42.040
2002	48.809
2003	62.171
2004	69.764
2005	72.634
2006	73.581
2007	76.829
2008	78.731
2009	82.285
2010	86.929
2011	90.904
2012	94.399
2013	100.000
2014	105.212
2015	115.439
2016	124.467
2017	129.348
2018	138.340
2019	146.989
2020	150.206
2021	161.295
2022	178.644
2023	204.023
2024	226.314
2025	242.790
2026	255.208
2027	265.085
2028	276.011
2029	289.152