Year	Number
1996	61.7021293640137
1998	58.5106391906738
2000	59.7883605957031
2002	51.8518524169922
2003	35.1758804321289
2004	38.3495140075684
2005	29.1262130737305
2006	31.4009666442871
2007	29.468599319458
2008	35.0961532592773
2009	41.2322273254395
2010	45.0236968994141
2011	46.445499420166
2012	41.2322273254395
2013	46.9194297790527
2014	45.238094329834
2015	49.0476188659668
2016	49.0476188659668
2017	49.0476188659668
2018	50
2019	31.6037731170654
2020	44.8113212585449
2021	50.9433975219727
2022	49.5283012390137