Year	Number
1996	12.021858215332
1998	13.1147537231445
2000	9.28961753845215
2002	14.0540542602539
2003	6.48648643493652
2004	24.8756217956543
2005	13.7254905700684
2006	16.5853652954102
2007	14.0776700973511
2008	7.28155326843262
2009	28.7081336975098
2010	41.6267929077148
2011	32.2274894714355
2012	27.014217376709
2013	27.488151550293
2014	35.0961532592773
2015	34.2857131958008
2016	28.0952377319336
2017	35.238094329834
2018	20.9523811340332
2019	23.3333339691162
2020	27.619047164917
2021	20.9523811340332
2022	16.9811325073242