Year	Number
1996	52
1998	51.7412948608398
2000	46.2686576843262
2002	32.3383102416992
2003	32.8358192443848
2004	29.8076915740967
2005	30.769229888916
2006	37.019229888916
2007	37.019229888916
2008	36.538459777832
2009	37.4407577514648
2010	46.9194297790527
2011	51.1737098693848
2012	47.417839050293
2013	46.0093879699707
2014	49.2610855102539
2015	48.7684745788574
2016	47.290641784668
2017	45.8128089904785
2018	40.2912635803223
2019	42.0289840698242
2020	44.4444427490234
2021	48.3091773986816
2022	51.6908226013184