Year	Number
1996	43
1998	48.2587051391602
2000	49.2537307739258
2002	44.2786064147949
2003	42.7860679626465
2004	37.980770111084
2005	37.980770111084
2006	42.3076934814453
2007	40.3846168518066
2008	37.5
2009	30.3317527770996
2010	31.7535552978516
2011	31.9248828887939
2012	33.3333320617676
2013	31.4553985595703
2014	33.9901466369629
2015	31.5270938873291
2016	32.5123138427734
2017	32.5123138427734
2018	31.0679607391357
2019	30.4347820281982
2020	30.4347820281982
2021	32.8502426147461
2022	34.2995185852051