Year	%
2006	100.3534
2007	99.364
2008	101.4232
2010	101.168995062033
2011	98.5132337500902
2012	99.9653
2013	99.2394
2015	99.0668430247111
2016	101.822551570956
2017	99.0178622629402
2018	99.696634296399
2019	99.6300216241238
2020	101.945670452949
2021	101.302504871856