Year	Number
1996	45
1998	46.2686576843262
2000	49.2537307739258
2002	45.2736320495605
2003	43.2835807800293
2004	55.288459777832
2005	54.3269233703613
2006	54.3269233703613
2007	53.3653831481934
2008	54.3269233703613
2009	55.4502372741699
2010	52.1327018737793
2011	53.051643371582
2012	56.8075103759766
2013	56.3380279541016
2014	49.7536964416504
2015	55.1724128723145
2016	55.6650238037109
2017	54.1871910095215
2018	52.4271850585938
2019	59.9033813476563
2020	58.937198638916
2021	57.9710159301758
2022	58.4541053771973