Year	Number
1996	32.6086959838867
1998	28.8043479919434
2000	28.8043479919434
2002	45.4054069519043
2003	51.3513526916504
2004	50.7462692260742
2005	51.470588684082
2006	40.1960792541504
2007	47.5728149414063
2008	43.2038841247559
2009	44.4976081848145
2010	41.6267929077148
2011	41.2322273254395
2012	40.2843589782715
2013	39.3364944458008
2014	37.980770111084
2015	30.9523811340332
2016	36.1904754638672
2017	30.9523811340332
2018	30
2019	33.8095245361328
2020	34.761905670166
2021	32.8571434020996
2022	13.2075471878052