Year	Index (Units)
1992	0.159
1993	3.612
1994	34.484
1995	55.308
1996	71.182
1997	79.154
1998	80.658
1999	95.015
2000	104.327
2001	111.004
2002	118.330
2003	126.376
2004	134.843
2005	145.091
2006	157.279
2007	186.848
2008	204.598
2009	217.283
2010	234.231
2011	251.564
2012	266.658
2013	279.458
2014	300.138
2015	340.957
2016	369.938
2017	396.203
2018	417.202
2019	439.731
2020	472.711
2021	512.419
2022	616.440
2023	676.851
2024	729.645
2025	776.343
2026	820.594
2027	863.265
2028	906.428
2029	951.750