Year	%
1993	29.30262
1997	38.31883
1998	35.62637
2001	43.44751
2002	43.25604
2003	41.73418
2005	40.0491
2006	40.38736
2007	42.50917
2008	59.71223
2009	49.66088
2014	54.91184
2015	53.73238
2016	51.1346
2017	54.41151
2018	40.68682
2019	40.80781
2020	40.80781
2021	40.98418