Year	%
2008	3.54668230487191
2009	4.4177396483715
2010	4.4357408676855
2011	4.32628856172995
2012	4.55918624957978
2013	4.79495406116236
2014	4.59325915581999
2015	5.07310585106144
2016	5.45629052490244
2017	5.70534420599312
2018	5.8296435338352
2019	5.55600060366109
2020	4.96688016455878
2021	5.83095159064964
2022	6.02111418294395