Year	Number
1996	33.668342590332
1998	41.5
2000	33.8308448791504
2002	44.2786064147949
2003	45.2736320495605
2004	45.1923065185547
2005	45.4545440673828
2006	42.1052627563477
2007	40.6698570251465
2008	40.3846168518066
2009	36.4928894042969
2010	32.2274894714355
2011	38.0281677246094
2012	40.3755874633789
2013	42.2535209655762
2014	48.5576934814453
2015	43.3333320617676
2016	34.2857131958008
2017	30.4761905670166
2018	26.6666660308838
2019	27.1428565979004
2020	31.9047622680664
2021	30
2022	35.8490562438965