Year	%
1996	49.97257
1999	40.63636
2000	54.64108
2001	42.01106
2002	40.59525
2003	44.40041
2004	46.90001
2005	46.90001
2006	37.99553
2007	47.61028
2008	46.91983
2009	45.68753
2010	46.43455
2011	46.43455
2012	40.97895
2013	49.65216
2014	48.59294
2015	49.87807
2016	49.40763
2017	48.92052
2018	39.84224
2019	40.78078
2020	40.78078
2021	40.78078