Year	Index (Units)
1980	34.009
1981	36.289
1982	40.032
1983	43.703
1984	46.370
1985	47.094
1986	47.840
1987	49.363
1988	50.052
1989	52.859
1990	51.356
1991	56.576
1992	53.882
1993	55.097
1994	62.098
1995	65.943
1996	67.880
1997	68.569
1998	69.503
1999	72.185
2000	76.780
2001	82.462
2002	85.614
2003	89.835
2004	90.227
2005	89.858
2006	95.206
2007	100.000
2008	103.144
2009	104.161
2010	105.906
2011	109.132
2012	113.792
2013	115.786
2014	116.753
2015	116.142
2016	118.134
2017	118.610
2018	119.744
2019	125.123
2020	126.065
2021	124.593
2022	131.185
2023	134.999
2024	137.724
2025	140.618
2026	143.549
2027	146.361
2028	149.180
2029	152.105