Year	Number
2002	28.6486492156982
2003	21.0810813903809
2004	25.3731346130371
2005	22.5490188598633
2006	12.2549018859863
2007	9.70873832702637
2008	16.990291595459
2009	22.0095691680908
2010	22.9665069580078
2011	25.1184825897217
2012	27.488151550293
2013	28.9099521636963
2014	32.211540222168
2015	30
2016	28.5714282989502
2017	39.523811340332
2018	35.7142868041992
2019	36.6666679382324
2020	38.5714302062988
2021	39.0476188659668
2022	49.0566024780273