Year	Personnel
1985	482800
1989	520000
1990	550000
1991	565000
1992	580000
1993	580000
1994	580000
1995	846000
1996	835000
1997	834000
1998	834000
1999	834000
2000	900000
2001	908000
2002	909000
2003	909000
2004	921000
2005	921000
2006	923000
2007	921000
2008	921000
2009	921000
2010	946000
2011	946000
2012	947800
2013	947800
2014	925800
2015	935800
2016	935800
2017	936000
2018	944800
2019	943000
2020	943000