Year	Index (Units)
2004	66.208
2005	66.331
2006	81.119
2007	85.285
2008	88.571
2009	104.789
2010	98.930
2011	97.968
2012	98.282
2013	96.558
2014	106.202
2015	109.930
2016	118.961
2017	120.840
2018	106.500
2019	111.200
2020	110.376
2021	112.598
2022	113.798
2023	120.601
2024	124.750
2025	127.926
2026	131.485
2027	134.480
2028	137.324
2029	140.070