Year	%
2003	11.1368319737237
2004	10.6508759339031
2005	10.6061629754371
2006	10.5122870241772
2007	11.7860758383678
2008	12.613661031724
2009	12.5949095429662
2010	12.4309074825758
2011	12.0392476435812
2012	11.9382231731097
2013	12.3092064569271
2014	12.2451141965134
2015	13.0404516611354
2016	11.8708740707555
2017	11.6634300716691
2018	11.7769971865356
2019	11.9147627822343
2020	11.9593666528017
2021	11.6143164933212
2022	11.2402028697542