Year	Number
1996	59.2391319274902
1998	61.4130439758301
2000	51.6304359436035
2002	53.5135116577148
2003	37.8378372192383
2004	21.8905467987061
2005	24.5098037719727
2006	25.4901962280273
2007	26.6990299224854
2008	27.1844654083252
2009	25.3588523864746
2010	26.3157901763916
2011	28.9099521636963
2012	32.7014236450195
2013	34.5971565246582
2014	40.8653831481934
2015	43.8095245361328
2016	47.1428565979004
2017	47.1428565979004
2018	54.2857131958008
2019	50.476188659668
2020	48.0952377319336
2021	51.9047622680664
2022	55.6603775024414