Year	Number
1996	40
1998	43.2835807800293
2000	37.3134346008301
2002	22.3880596160889
2003	21.3930339813232
2004	18.75
2005	21.634614944458
2006	31.25
2007	34.1346168518066
2008	34.1346168518066
2009	32.2274894714355
2010	30.3317527770996
2011	30.046947479248
2012	30.046947479248
2013	29.1079807281494
2014	30.0492610931396
2015	28.5714282989502
2016	31.5270938873291
2017	32.019702911377
2018	30.5825233459473
2019	30.917875289917
2020	29.9516906738281
2021	28.9855079650879
2022	21.7391300201416