Year	Number
1996	84.5744705200195
1998	81.9148941040039
2000	77.2486801147461
2002	83.0687866210938
2003	71.8592987060547
2004	79.1262130737305
2005	66.019416809082
2006	74.8792266845703
2007	69.0821228027344
2008	68.2692337036133
2009	54.028434753418
2010	52.1327018737793
2011	36.0189590454102
2012	6.16113758087158
2013	8.53080558776855
2014	8.09523773193359
2015	9.0476188659668
2016	10.4761905670166
2017	8.5714282989502
2018	6.60377359390259
2019	5.18867921829224
2020	5.66037750244141
2021	5.18867921829224
2022	4.24528312683105