Year	Number
1996	50.5376358032227
1998	50.8021392822266
2000	52.6595726013184
2002	51.8518524169922
2003	41.2698402404785
2004	27.5862064361572
2005	18.0487804412842
2006	17.5609760284424
2007	18.4466018676758
2008	19.4174766540527
2009	18.1818180084229
2010	20
2011	18.9573459625244
2012	27.488151550293
2013	29.3838863372803
2014	35.0961532592773
2015	29.5238094329834
2016	27.619047164917
2017	28.0952377319336
2018	26.1904754638672
2019	24.761905670166
2020	24.2857151031494
2021	25.7142848968506
2022	26.8867931365967