Year	Number
1996	59
1998	62.6865653991699
2000	60.6965179443359
2002	51.243782043457
2003	54.7263679504395
2004	51.4423065185547
2005	49.519229888916
2006	57.6923065185547
2007	57.6923065185547
2008	57.6923065185547
2009	57.8199043273926
2010	56.8720397949219
2011	54.4600944519043
2012	54.9295768737793
2013	55.8685455322266
2014	57.1428565979004
2015	58.6206893920898
2016	60.0985221862793
2017	58.1280784606934
2018	56.7961158752441
2019	49.2753639221191
2020	42.9951705932617
2021	37.6811599731445
2022	37.1980667114258