Year	Index (Units)
1987	1.389
1988	1.594
1989	2.804
1990	3.622
1991	3.997
1992	4.237
1993	4.674
1994	4.940
1995	6.361
1996	7.172
1997	7.798
1998	18.862
1999	35.207
2000	38.925
2001	41.854
2002	48.211
2003	54.297
2004	59.001
2005	64.181
2006	67.099
2007	70.954
2008	73.206
2009	76.080
2010	80.461
2011	86.652
2012	90.753
2013	96.789
2014	99.111
2015	100.000
2016	102.487
2017	102.639
2018	104.163
2019	110.709
2020	114.281
2021	120.301
2022	167.539
2023	208.366
2024	246.913
2025	274.074
2026	282.296
2027	290.765
2028	299.488
2029	308.473