Year	Index (Units)
1985	27.359
1986	28.092
1987	31.228
1988	32.224
1989	36.172
1990	39.213
1991	39.437
1992	42.109
1993	43.949
1994	46.661
1995	47.459
1996	50.172
1997	52.088
1998	53.205
1999	52.894
2000	54.347
2001	54.977
2002	60.403
2003	60.403
2004	69.661
2005	70.394
2006	71.861
2007	77.635
2008	84.510
2009	92.942
2010	92.667
2011	95.325
2012	100.550
2013	98.808
2014	98.992
2015	99.358
2016	101.600
2017	102.633
2018	108.567
2019	108.473
2020	104.913
2021	109.193
2022	121.000
2023	133.900
2024	136.513
2025	139.368
2026	143.549
2027	147.855
2028	152.291
2029	156.859