Year	Index (Units)
1980	36.182
1981	39.434
1982	41.231
1983	42.668
1984	44.626
1985	46.769
1986	49.958
1987	51.982
1988	54.614
1989	56.993
1990	61.003
1991	64.914
1992	67.189
1993	68.967
1994	69.962
1995	71.099
1996	71.809
1997	72.377
1998	73.443
1999	74.579
2000	75.396
2001	77.321
2002	78.784
2003	81.225
2004	82.568
2005	83.563
2006	85.596
2007	87.904
2008	91.585
2009	93.090
2010	94.644
2011	97.523
2012	98.162
2013	99.100
2014	99.300
2015	101.310
2016	102.290
2017	103.940
2018	105.980
2019	107.500
2020	108.750
2021	113.240
2022	119.440
2023	121.710
2024	124.661
2025	127.308
2026	129.767
2027	132.190
2028	134.830
2029	137.494