Year	Number
1996	25
1998	26.0869560241699
2000	25
2002	43.2432441711426
2003	34.5945930480957
2004	18.4079608917236
2005	20.0980396270752
2006	25
2007	21.8446598052979
2008	23.3009700775146
2009	23.9234447479248
2010	21.5311012268066
2011	25.1184825897217
2012	24.1706161499023
2013	23.6966819763184
2014	23.5576915740967
2015	22.8571434020996
2016	20
2017	16.6666660308838
2018	15.2380952835083
2019	13.8095235824585
2020	14.7619047164917
2021	15.2380952835083
2022	19.8113212585449