Year	Number
1996	47.2361793518066
1998	43
2000	43.7810935974121
2002	40.2985076904297
2003	40.7960205078125
2004	42.788459777832
2005	34.4497604370117
2006	33.9712905883789
2007	34.4497604370117
2008	31.25
2009	36.4928894042969
2010	39.3364944458008
2011	37.0892028808594
2012	38.0281677246094
2013	33.8028182983398
2014	40.8653831481934
2015	39.0476188659668
2016	30.9523811340332
2017	31.4285717010498
2018	33.3333320617676
2019	33.3333320617676
2020	36.1904754638672
2021	33.3333320617676
2022	35.8490562438965