Year	Number
1996	53.7634391784668
1998	50.2673797607422
2000	52.1276588439941
2002	41.798942565918
2003	40.2116394042969
2004	39.9014778137207
2005	43.4146347045898
2006	43.4146347045898
2007	44.1747589111328
2008	39.8058242797852
2009	40.1913871765137
2010	44.761905670166
2011	43.6018943786621
2012	40.2843589782715
2013	40.7582931518555
2014	35.5769233703613
2015	33.8095245361328
2016	45.7142868041992
2017	44.2857131958008
2018	53.8095245361328
2019	52.8571434020996
2020	47.6190490722656
2021	38.0952377319336
2022	36.3207550048828