Year	Index (Units)
1990	0.404
1991	0.799
1992	2.000
1993	4.371
1994	8.988
1995	15.351
1996	28.494
1997	37.119
1998	46.903
1999	50.639
2000	51.556
2001	53.720
2002	65.937
2003	71.380
2004	76.565
2005	80.811
2006	93.616
2007	101.780
2008	116.939
2009	132.663
2010	153.029
2011	181.944
2012	262.793
2013	372.910
2014	468.628
2015	527.589
2016	688.369
2017	861.501
2018	1489.841
2019	2339.210
2020	8639.497
2021	36131.063
2022	67680.345
2023	166917.788
2024	358138.134
2025	512214.607
2026	611911.078
2027	683966.720
2028	738960.848
2029	793374.605