Year	Number
2005	44.1176452636719
2006	18.6274509429932
2007	18.9320392608643
2008	16.990291595459
2009	8.61244010925293
2010	9.09090900421143
2011	16.5876770019531
2012	14.2180099487305
2013	13.7440757751465
2014	16.3461532592773
2015	15.2380952835083
2016	18.0952377319336
2017	15.7142858505249
2018	21.4285717010498
2019	24.761905670166
2020	28.5714282989502
2021	27.619047164917
2022	37.7358474731445