Year	Number
1996	49.4680862426758
1998	65.4255294799805
2000	69.8412704467773
2002	48.1481475830078
2003	38.6934661865234
2004	32.5242729187012
2005	40.2912635803223
2006	31.4009666442871
2007	38.6473426818848
2008	39.9038467407227
2009	38.3886260986328
2010	27.962085723877
2011	16.1137447357178
2012	16.1137447357178
2013	10.4265403747559
2014	8.5714282989502
2015	10
2016	12.8571424484253
2017	13.3333330154419
2018	17.9245281219482
2019	19.8113212585449
2020	18.8679237365723
2021	23.5849056243896
2022	22.6415100097656