Year	Number
1996	32.1608047485352
1998	33
2000	32.3383102416992
2002	31.343282699585
2003	26.3681583404541
2004	19.230770111084
2005	16.2679424285889
2006	12.4401912689209
2007	12.4401912689209
2008	9.13461494445801
2009	4.7393364906311
2010	8.53080558776855
2011	10.3286380767822
2012	8.45070457458496
2013	7.98122072219849
2014	7.21153831481934
2015	5.2380952835083
2016	5.7142858505249
2017	5.2380952835083
2018	5.7142858505249
2019	5.7142858505249
2020	5.2380952835083
2021	6.66666650772095
2022	5.18867921829224