Year	Index (Units)
1996	68.988
1997	72.943
1998	72.739
1999	74.806
2000	80.042
2001	82.443
2002	82.114
2003	82.524
2004	83.019
2005	86.589
2006	90.527
2007	95.002
2008	98.620
2009	98.596
2010	101.628
2011	104.725
2012	106.613
2013	105.101
2014	104.644
2015	103.286
2016	102.734
2017	103.984
2018	105.629
2019	105.874
2020	104.202
2021	110.787
2022	127.196
2023	129.977
2024	133.746
2025	136.605
2026	139.350
2027	142.119
2028	144.944
2029	147.817