Year	%
2001	13.229878914820805
2002	12.74888263295918
2003	12.247103081177853
2004	12.791599200752765
2005	13.117818105992043
2006	13.681958215526555
2007	14.225638906814316
2008	11.520196882399194
2009	14.868474432949508
2010	14.99558099961521
2011	14.279894558523093
2012	14.927662912601669
2013	15.08394839046368
2014	13.861866611187276
2015	16.987406807583838
2016	18.051082483449633
2017	17.367245574852493
2018	16.61037048648688
2019	15.648496568825582
2020	18.20219728060369
2021	18.681162595132736
2022	17.362883666467607
2023	18.25042991857294