Year	Number
1996	45.7446823120117
1998	34.042552947998
2000	44.9735450744629
2002	26.4550266265869
2003	23.1155776977539
2004	7.76699018478394
2005	11.1650485992432
2006	17.8743953704834
2007	18.3574886322021
2008	16.3461532592773
2009	27.014217376709
2010	26.5402851104736
2011	28.4360198974609
2012	33.6492881774902
2013	37.4407577514648
2014	34.761905670166
2015	33.8095245361328
2016	31.4285717010498
2017	32.8571434020996
2018	36.7924537658691
2019	26.4150943756104
2020	23.5849056243896
2021	20.2830181121826
2022	14.1509437561035