Year	Index (Units)
1985	81.525
1986	56.505
1987	63.025
1988	56.754
1989	61.932
1990	68.220
1991	67.276
1992	63.683
1993	63.683
1994	62.689
1995	66.355
1996	64.624
1997	67.526
1998	58.171
1999	61.724
2000	70.234
2001	66.307
2002	66.555
2003	70.618
2004	81.836
2005	97.194
2006	106.959
2007	108.158
2008	121.885
2009	94.960
2010	100.000
2011	120.181
2012	121.647
2013	118.213
2014	116.030
2015	95.607
2016	86.829
2017	91.131
2018	99.530
2019	96.212
2020	85.759
2021	99.023
2022	123.023
2023	107.158
2024	107.619
2025	110.972
2026	112.420
2027	113.875
2028	116.143
2029	119.243