Year	Number
2011	26.7605628967285
2012	13.6150236129761
2013	10.3286380767822
2014	2.4038462638855
2015	2.38095235824585
2016	4.7619047164917
2017	4.2857141494751
2018	4.2857141494751
2019	4.2857141494751
2020	4.7619047164917
2021	3.80952382087708
2022	3.77358484268188