Year	Number
2007	2.42718458175659
2008	2.42718458175659
2009	2.39234447479248
2010	2.39234447479248
2011	2.36966824531555
2012	1.42180097103119
2013	0.947867274284363
2014	0
2015	4.2857141494751
2016	6.1904764175415
2017	4.7619047164917
2018	14.7619047164917
2019	16.1904754638672
2020	15.7142858505249
2021	21.4285717010498
2022	28.301887512207