Year	Number
1996	33.3333320617676
1998	25.1366119384766
2000	25.1366119384766
2002	10.2702703475952
2003	12.972972869873
2004	9.45273590087891
2005	12.7450981140137
2006	11.2195119857788
2007	17.9611644744873
2008	19.9029121398926
2009	22.0095691680908
2010	25.3588523864746
2011	24.1706161499023
2012	22.748815536499
2013	23.6966819763184
2014	16.8269233703613
2015	13.8095235824585
2016	12.380952835083
2017	13.8095235824585
2018	13.3333330154419
2019	12.380952835083
2020	11.9047622680664
2021	12.380952835083
2022	11.3207550048828