Year	Number
1996	65.9574432373047
1998	68.0851058959961
2000	69.8412704467773
2002	47.0899467468262
2003	59.2964820861816
2004	52.9126205444336
2005	55.3398056030273
2006	32.8502426147461
2007	46.3768119812012
2008	44.711540222168
2009	45.971565246582
2010	49.7630348205566
2011	41.2322273254395
2012	39.8104248046875
2013	37.9146919250488
2014	36.6666679382324
2015	35.7142868041992
2016	39.523811340332
2017	40.476188659668
2018	44.8113212585449
2019	50.4716987609863
2020	49.5283012390137
2021	47.6415100097656
2022	48.5849075317383