Year	Personnel
1992	10000
1993	10000
1994	10000
1995	17900
1996	17900
1997	22900
1998	27500
1999	23500
2000	23500
2001	26000
2002	19900
2003	20400
2004	17000
2005	19000
2006	19000
2007	19000
2008	19000
2009	8000
2010	8000
2011	8000
2012	8000
2013	8000
2014	8000
2015	15600
2016	15600
2017	16000
2018	16000
2019	16000
2020	16000