Year	Personnel
1985	3900000
1989	3900000
1990	3500000
1991	3200000
1992	3160000
1993	3030000
1994	2930000
1995	4130000
1996	4135000
1997	3640000
1998	3820000
1999	3820000
2000	3910000
2001	3810000
2002	3770000
2003	3750000
2004	3755000
2005	3755000
2006	3605000
2007	2885000
2008	2885000
2009	2945000
2010	2945000
2011	2945000
2012	2993000
2013	2993000
2014	2993000
2015	2843000
2016	2695000
2017	2695000
2018	2695000
2019	2535000
2020	2535000