Year	Index (Units)
1991	41.081
1992	42.465
1993	44.350
1994	47.235
1995	49.543
1996	51.283
1997	52.576
1998	53.735
1999	53.519
2000	54.153
2001	55.177
2002	55.952
2003	56.841
2004	58.228
2005	60.138
2006	62.252
2007	65.922
2008	71.677
2009	75.656
2010	77.536
2011	81.601
2012	85.045
2013	85.949
2014	87.102
2015	86.647
2016	88.729
2017	89.241
2018	89.365
2019	92.330
2020	93.972
2021	95.082
2022	100.000
2023	101.800
2024	103.644
2025	105.616
2026	107.676
2027	109.830
2028	112.036
2029	114.271