Year	Index (Units)
2011	135.443
2012	169.628
2013	154.723
2014	170.010
2015	356.777
2016	1790.066
2017	4536.453
2018	5961.274
2019	7750.776
2020	14548.902
2021	14902.967
2022	12961.137
2023	22067.483
2024	35369.734
2025	38588.431
2026	41568.804
2027	44857.643
2028	48654.936
2029	52563.629
