Year	Number
1996	50.5
1998	49.2537307739258
2000	53.7313423156738
2002	51.243782043457
2003	45.2736320495605
2004	45.6730766296387
2005	37.5
2006	21.1538467407227
2007	25.9615383148193
2008	27.4038467407227
2009	29.8578205108643
2010	28.9099521636963
2011	29.1079807281494
2012	30.5164318084717
2013	28.1690139770508
2014	19.2118225097656
2015	14.7783250808716
2016	13.3004922866821
2017	12.8078813552856
2018	13.5922327041626
2019	19.8067626953125
2020	20.7729473114014
2021	20.7729473114014
2022	25.1207733154297