Year	Number
1996	0
1998	0
2000	0.52910053730011
2002	0
2003	5.52763795852661
2004	4.36893224716187
2005	6.31067943572998
2006	13.5265703201294
2007	19.3236713409424
2008	19.7115383148193
2009	16.5876770019531
2010	23.222749710083
2011	27.488151550293
2012	25.1184825897217
2013	28.4360198974609
2014	23.8095245361328
2015	33.3333320617676
2016	30.4761905670166
2017	33.8095245361328
2018	37.2641525268555
2019	33.0188674926758
2020	34.9056587219238
2021	34.9056587219238
2022	31.6037731170654