Year	Number
1996	30.6451606750488
1998	34.2245979309082
2000	50.5319137573242
2002	50.7936515808105
2003	52.9100532531738
2004	37.4384231567383
2005	47.8048782348633
2006	24.8780479431152
2007	19.9029121398926
2008	20.3883495330811
2009	24.8803825378418
2010	32.8571434020996
2011	34.5971565246582
2012	44.5497627258301
2013	45.497631072998
2014	42.3076934814453
2015	40.9523811340332
2016	37.1428565979004
2017	32.8571434020996
2018	30
2019	30.4761905670166
2020	28.5714282989502
2021	33.3333320617676
2022	23.5849056243896