Year	Number
1996	52
1998	47.7611923217773
2000	51.7412948608398
2002	38.3084564208984
2003	41.2935333251953
2004	44.230770111084
2005	49.519229888916
2006	40.3846168518066
2007	37.019229888916
2008	40.3846168518066
2009	41.2322273254395
2010	42.1800956726074
2011	40.3755874633789
2012	42.2535209655762
2013	41.3145523071289
2014	39.4088668823242
2015	37.9310340881348
2016	35.4679794311523
2017	34.4827575683594
2018	36.4077682495117
2019	35.2657012939453
2020	35.2657012939453
2021	34.2995185852051
2022	34.2995185852051