Year	Index (Units)
1991	46.833
1992	48.146
1993	50.335
1994	53.836
1995	56.463
1996	58.213
1997	59.964
1998	61.277
1999	62.590
2000	63.903
2001	65.217
2002	65.217
2003	66.530
2004	68.718
2005	70.907
2006	73.384
2007	77.034
2008	84.475
2009	85.788
2010	89.179
2011	93.706
2012	97.657
2013	100.000
2014	101.330
2015	103.092
2016	103.404
2017	103.986
2018	104.668
2019	105.139
2020	107.008
2021	108.828
2022	115.289
2023	116.343
2024	118.495
2025	120.771
2026	123.891
2027	126.511
2028	129.250
2029	130.705