Year	Number
1996	56.9148941040039
1998	64.8936157226563
2000	61.9047622680664
2002	73.0158767700195
2003	63.8190956115723
2004	52.9126205444336
2005	46.1165046691895
2006	49.2753639221191
2007	44.4444427490234
2008	46.1538467407227
2009	41.2322273254395
2010	32.2274894714355
2011	5.21327018737793
2012	1.89573454856873
2013	1.89573454856873
2014	2.38095235824585
2015	0.476190477609634
2016	0.952380955219269
2017	3.80952382087708
2018	2.35849046707153
2019	2.8301887512207
2020	2.35849046707153
2021	3.30188679695129
2022	2.35849046707153