Year	%
1997	15.6862745098039
1998	15.6862745098039
1999	15.6862745098039
2001	17.6470588235294
2002	17.6470588235294
2003	17.6470588235294
2004	19.6078431372549
2005	25.4901960784314
2006	25.4901960784314
2007	25.4901960784314
2008	25.4901960784314
2009	25.4901960784314
2010	9.80392156862745
2011	11.7647058823529
2012	11.7647058823529
2013	11.7647058823529
2014	11.7647058823529
2015	25.4901960784314
2016	25.4901960784314
2017	25.4901960784314
2018	25.4901960784314
2019	31.3725490196078
2020	29.4117647058824
2021	29.4117647058824
2022	29.4117647058824
2023	29.4117647058824