Year	%
2009	4.17812783392795
2010	5.26698896173513
2011	6.08629581295722
2012	7.12965175228017
2013	5.85229580988926
2014	5.31214096469623
2015	4.74620283630956
2016	4.79735362210193
2017	4.99704232082412
2018	5.25650797811494
2019	6.02686885240592
2020	7.57146032262558
2021	7.28694437688478
2022	6.38946847304318