Year	%
2012	4.53505751255773
2013	5.33995094763897
2014	5.61507541855652
2015	6.00001242462912
2016	6.15140677490154
2017	6.05560632654632
2018	6.04633140039262
2019	6.09899130680541
2020	5.91090648276954
2021	5.78324237360126
2022	5.51814215557498