Year	Number
1996	50
1998	46.2686576843262
2000	45.7711448669434
2002	41.2935333251953
2003	29.8507461547852
2004	35.5769233703613
2005	34.1346168518066
2006	25.480770111084
2007	28.8461532592773
2008	28.8461532592773
2009	29.8578205108643
2010	28.9099521636963
2011	28.6384983062744
2012	24.8826293945313
2013	24.4131450653076
2014	24.630542755127
2015	23.645320892334
2016	23.645320892334
2017	23.1527099609375
2018	23.3009700775146
2019	22.2222213745117
2020	21.7391300201416
2021	21.2560386657715
2022	23.1884059906006