Year	Number
1996	53
1998	55.7213935852051
2000	53.7313423156738
2002	53.7313423156738
2003	53.233829498291
2004	52.4038467407227
2005	52.4038467407227
2006	42.788459777832
2007	37.980770111084
2008	38.9423065185547
2009	37.4407577514648
2010	36.0189590454102
2011	35.6807518005371
2012	34.7417831420898
2013	34.2723007202148
2014	32.5123138427734
2015	43.8423652648926
2016	49.2610855102539
2017	51.7241363525391
2018	53.8834953308105
2019	50.2415466308594
2020	53.6231880187988
2021	52.1739120483398
2022	48.3091773986816