Year	Number
1996	25.8064517974854
1998	29.4117641448975
2000	28.7234039306641
2002	37.5661392211914
2003	13.2275133132935
2004	14.2857141494751
2005	17.5609760284424
2006	13.1707315444946
2007	10.6796112060547
2008	11.6504850387573
2009	18.1818180084229
2010	17.1428565979004
2011	17.5355453491211
2012	17.0616111755371
2013	16.1137447357178
2014	15.384614944458
2015	15.2380952835083
2016	11.4285717010498
2017	10
2018	9.0476188659668
2019	9.5238094329834
2020	6.66666650772095
2021	8.09523773193359
2022	8.01886749267578