Year	Number
2004	0.195867642760277
2005	1.18083834648132
2006	1.11961627006531
2007	1.14696705341339
2008	1.27677536010742
2009	1.3177649974823
2010	1.30177271366119
2011	1.27229809761047
2012	1.26053082942963
2013	1.25354850292206
2014	0.049086831510067
2015	0.448595434427261
2016	0.458806693553925
2017	0.460760623216629
2018	0.410901546478271
2019	0.345875948667526
2020	0.339913368225098
2021	0.406278491020203
2022	0.3897884786129