Year	Number
1996	41
1998	44.2786064147949
2000	22.3880596160889
2002	22.8855724334717
2003	22.3880596160889
2004	21.634614944458
2005	25
2006	28.8461532592773
2007	25.9615383148193
2008	28.8461532592773
2009	29.3838863372803
2010	29.8578205108643
2011	28.6384983062744
2012	27.2300472259521
2013	28.1690139770508
2014	31.0344829559326
2015	30.5418720245361
2016	32.019702911377
2017	32.019702911377
2018	30.0970878601074
2019	28.019323348999
2020	29.9516906738281
2021	30.4347820281982
2022	29.9516906738281