Year	Number
1996	41
1998	41.2935333251953
2000	39.3034820556641
2002	35.8208961486816
2003	38.3084564208984
2004	36.538459777832
2005	35.5769233703613
2006	26.4423084259033
2007	26.4423084259033
2008	28.8461532592773
2009	33.1753540039063
2010	34.5971565246582
2011	35.6807518005371
2012	40.3755874633789
2013	39.9061050415039
2014	35.9605903625488
2015	30.5418720245361
2016	28.5714282989502
2017	28.0788173675537
2018	30.5825233459473
2019	27.0531406402588
2020	29.9516906738281
2021	32.8502426147461
2022	32.8502426147461