Year	Number
2011	7.10900497436523
2012	14.2180099487305
2013	5.68720388412476
2014	1.42857146263123
2015	1.90476191043854
2016	1.90476191043854
2017	1.42857146263123
2018	2.35849046707153
2019	2.35849046707153
2020	3.30188679695129
2021	3.30188679695129
2022	3.30188679695129