Year	%
2006	16.3220249655905
2007	19.5181675698801
2008	19.7985047697707
2009	20.4927940228581
2010	20.0600853846952
2011	19.6894645478461
2012	20.6881832387283
2013	20.5843753160471
2014	21.950993327245
2015	21.0716527701701
2016	22.1878592445165
2017	23.4831682957972
2018	22.999768451289
2019	22.9594261289926
2020	23.8832975589217
2021	11.6425477501666
2022	9.94098978572859