Year	Number
1996	2.68817210197449
1998	3.74331545829773
2000	4.25531911849976
2002	6.34920644760132
2003	10.582010269165
2004	10.3448276519775
2005	15.6097564697266
2006	12.6829271316528
2007	11.1650485992432
2008	10.6796112060547
2009	9.09090900421143
2010	6.66666650772095
2011	9.47867298126221
2012	11.8483409881592
2013	16.5876770019531
2014	14.9038457870483
2015	16.6666660308838
2016	19.5238094329834
2017	17.619047164917
2018	21.4285717010498
2019	22.8571434020996
2020	15.2380952835083
2021	21.4285717010498
2022	16.9811325073242