Year	Personnel
1985	838000
1989	1040000
1990	1200000
1991	1200000
1992	1200000
1993	1100000
1994	1100000
1995	1243000
1996	1169000
1997	1244000
1998	1244000
1999	1244000
2000	1244000
2001	1271000
2002	1271000
2003	1271000
2004	1295000
2005	1295000
2006	1295000
2007	1295000
2008	1295000
2009	1379000
2010	1379000
2011	1379000
2012	1379000
2013	1379000
2014	1379000
2015	1379000
2016	1469000
2017	1469000
2018	1469000
2019	1469000
2020	1469000