Year	Number
1996	67.5531921386719
1998	65.4255294799805
2000	69.8412704467773
2002	48.1481475830078
2003	29.1457290649414
2004	24.7572822570801
2005	26.2135925292969
2006	18.8405799865723
2007	27.0531406402588
2008	39.9038467407227
2009	39.3364944458008
2010	25.5924167633057
2011	26.0663509368896
2012	29.8578205108643
2013	28.4360198974609
2014	29.0476188659668
2015	26.1904754638672
2016	35.238094329834
2017	45.7142868041992
2018	40.0943412780762
2019	51.4150924682617
2020	44.3396224975586
2021	43.8679237365723
2022	40.0943412780762