Year	Number
1996	45.7446823120117
1998	36.7021293640137
2000	50.7936515808105
2002	50.2645492553711
2003	42.2110557556152
2004	37.3786392211914
2005	29.1262130737305
2006	11.5942029953003
2007	7.72946882247925
2008	9.61538505554199
2009	14.6919431686401
2010	12.3222751617432
2011	13.7440757751465
2012	10.4265403747559
2013	9.47867298126221
2014	8.09523773193359
2015	9.0476188659668
2016	10.4761905670166
2017	9.5238094329834
2018	10.8490562438965
2019	11.7924528121948
2020	11.3207550048828
2021	13.2075471878052
2022	13.2075471878052