Year	Number
1996	45
1998	49.7512435913086
2000	50.2487564086914
2002	43.2835807800293
2003	41.7910461425781
2004	39.9038467407227
2005	38.9423065185547
2006	31.25
2007	32.211540222168
2008	28.8461532592773
2009	29.8578205108643
2010	29.8578205108643
2011	31.4553985595703
2012	35.2112693786621
2013	35.6807518005371
2014	35.9605903625488
2015	35.9605903625488
2016	34.4827575683594
2017	34.4827575683594
2018	50
2019	54.5893707275391
2020	56.038646697998
2021	56.038646697998
2022	57.487922668457