Year	Number
1996	25
1998	16.4893608093262
2000	27.5132274627686
2002	35.9788360595703
2003	37.1859283447266
2004	46.6019401550293
2005	39.8058242797852
2006	37.1980667114258
2007	37.1980667114258
2008	39.4230766296387
2009	38.3886260986328
2010	31.7535552978516
2011	37.9146919250488
2012	40.7582931518555
2013	43.6018943786621
2014	37.1428565979004
2015	41.9047622680664
2016	37.6190490722656
2017	43.8095245361328
2018	41.9811325073242
2019	48.5849075317383
2020	42.4528312683105
2021	41.5094337463379
2022	40.5660362243652