Year	Number
1996	59
1998	56.7164192199707
2000	43.2835807800293
2002	46.2686576843262
2003	42.7860679626465
2004	25.480770111084
2005	32.6923065185547
2006	36.538459777832
2007	37.019229888916
2008	36.0576934814453
2009	40.7582931518555
2010	36.4928894042969
2011	35.6807518005371
2012	34.7417831420898
2013	36.1502342224121
2014	42.3645324707031
2015	43.8423652648926
2016	49.7536964416504
2017	51.7241363525391
2018	45.6310691833496
2019	53.1400947570801
2020	52.1739120483398
2021	48.7922706604004
2022	45.4106292724609