Year	Number
2004	46.6346168518066
2005	53.8461532592773
2006	37.019229888916
2007	52.8846168518066
2008	51.4423065185547
2009	54.028434753418
2010	55.4502372741699
2011	55.8685455322266
2012	57.7464790344238
2013	56.3380279541016
2019	62.8019332885742
2020	45.8937187194824
2021	48.7922706604004
2022	51.6908226013184