Year	Index (Units)
1980	0.016
1981	0.019
1982	0.025
1983	0.032
1984	0.043
1985	0.062
1986	0.100
1987	0.126
1988	0.206
1989	0.340
1990	0.337
1991	0.754
1992	1.640
1993	3.301
1994	7.113
1995	11.977
1996	22.368
1997	32.919
1998	41.024
1999	48.067
2000	51.489
2001	52.486
2002	64.151
2003	68.314
2004	74.911
2005	81.283
2006	87.135
2007	99.991
2008	114.287
2009	127.152
2010	143.653
2011	169.649
2012	229.975
2013	313.967
2014	429.842
2015	502.526
2016	591.726
2017	783.159
2018	1278.840
2019	1930.972
2020	5083.445
2021	23337.696
2022	55732.391
2023	151297.437
2024	371488.745
2025	604508.303
2026	756747.581
2027	876366.526
2028	950626.031
2029	1029879.943