Year	Number
2004	78.6069641113281
2005	71.0784301757813
2006	75.9803924560547
2007	61.1650466918945
2008	52.9126205444336
2009	46.8899536132813
2010	42.5837326049805
2011	32.7014236450195
2012	31.2796211242676
2013	32.2274894714355
2014	31.25
2015	32.8571434020996
2016	34.2857131958008
2017	30.9523811340332
2018	35.7142868041992
2019	37.1428565979004
2020	38.5714302062988
2021	46.1904754638672
2022	50.4716987609863