Year	Number
1996	38.2513656616211
1998	38.7978134155273
2000	38.2513656616211
2002	41.0810813903809
2003	36.7567558288574
2004	38.3084564208984
2005	28.9215679168701
2006	29.2682933807373
2007	33.009708404541
2008	29.1262130737305
2009	33.0143547058105
2010	31.5789470672607
2011	36.0189590454102
2012	38.3886260986328
2013	34.1232223510742
2014	40.8653831481934
2015	39.523811340332
2016	37.1428565979004
2017	39.523811340332
2018	44.761905670166
2019	40.9523811340332
2020	51.4285697937012
2021	50
2022	57.0754699707031