Year	%
2011	3.81576806644899
2012	3.62758332957379
2013	5.57505794057583
2014	4.23421449884782
2015	3.24077029740188
2016	2.63381101624579
2017	2.49843260637911
2018	3.42041976161883
2019	4.69918303381587
2020	4.92827495911882