Year	Number
1996	47.8494606018066
1998	41.7112312316895
2000	44.1489372253418
2002	38.0952377319336
2003	41.2698402404785
2004	46.305419921875
2005	46.8292694091797
2006	57.5609741210938
2007	55.3398056030273
2008	53.3980598449707
2009	52.1531105041504
2010	47.6190490722656
2011	43.6018943786621
2012	34.5971565246582
2013	35.0710906982422
2014	35.5769233703613
2015	37.1428565979004
2016	44.761905670166
2017	46.1904754638672
2018	45.238094329834
2019	48.5714302062988
2020	46.1904754638672
2021	49.523811340332
2022	51.4150924682617