Year	Number
1996	48.9361686706543
1998	36.1702117919922
2000	13.2275133132935
2002	3.17460322380066
2003	5.02512550354004
2004	3.39805817604065
2005	0.970873773097992
2006	4.8309178352356
2007	6.28019332885742
2008	7.21153831481934
2009	11.3744077682495
2010	8.05687236785889
2011	8.53080558776855
2012	11.8483409881592
2013	17.0616111755371
2014	13.3333330154419
2015	20
2016	15.7142858505249
2017	12.8571424484253
2018	15.5660381317139
2019	13.6792449951172
2020	13.6792449951172
2021	20.7547168731689
2022	26.4150943756104