Year	Number
1996	22.6130657196045
1998	27.5
2000	32.3383102416992
2002	17.9104480743408
2003	18.4079608917236
2004	20.1923084259033
2005	33.9712905883789
2006	25.8373203277588
2007	26.7942581176758
2008	26.9230766296387
2009	27.488151550293
2010	25.1184825897217
2011	25.8215961456299
2012	26.2910804748535
2013	27.2300472259521
2014	31.730770111084
2015	30.4761905670166
2016	45.7142868041992
2017	45.7142868041992
2018	43.3333320617676
2019	43.3333320617676
2020	36.1904754638672
2021	35.238094329834
2022	38.2075462341309