Year	Index (Units)
2004	61.619
2005	66.956
2006	79.880
2007	84.354
2008	85.227
2009	104.337
2010	102.283
2011	98.836
2012	99.095
2013	98.000
2014	98.270
2015	107.885
2016	116.678
2017	122.607
2018	104.919
2019	109.338
2020	111.400
2021	112.600
2022	116.600
2023	123.832
2024	129.664
2025	133.544
2026	137.102
2027	140.571
2028	143.658
2029	146.613