Year	Number
1996	54.7872352600098
1998	48.4042549133301
2000	28.0423278808594
2002	29.100528717041
2003	23.6180896759033
2004	18.9320392608643
2005	7.76699018478394
2006	11.5942029953003
2007	17.3913040161133
2008	19.7115383148193
2009	27.014217376709
2010	35.0710906982422
2011	39.8104248046875
2012	40.2843589782715
2013	41.7061614990234
2014	48.5714302062988
2015	44.2857131958008
2016	49.0476188659668
2017	51.9047622680664
2018	50
2019	51.4150924682617
2020	46.698112487793
2021	50.9433975219727
2022	51.886791229248