Year	Number
1996	18.0904521942139
1998	18.5
2000	21.8905467987061
2002	32.8358192443848
2003	35.8208961486816
2004	38.461540222168
2005	34.4497604370117
2006	43.0622024536133
2007	46.8899536132813
2008	49.038459777832
2009	47.3933639526367
2010	51.6587677001953
2011	52.582160949707
2012	54.4600944519043
2013	55.3990592956543
2014	65.8653869628906
2015	62.8571434020996
2016	62.8571434020996
2017	63.3333320617676
2018	62.3809509277344
2019	60.9523811340332
2020	61.4285697937012
2021	63.3333320617676
2022	61.7924537658691