Year	Personnel
1985	2151600
1989	2240000
1990	2180000
1991	2120000
1992	1920000
1993	1820000
1994	1720000
1995	1635600
1996	1572100
1997	1533300
1998	1594000
1999	1575000
2000	1454800
2001	1420700
2002	1467000
2003	1480000
2004	1473000
2005	1546000
2006	1498000
2007	1555000
2008	1540000
2009	1563996
2010	1569417
2011	1520100
2012	1492200
2013	1433150
2014	1381250
2015	1347300
2016	1348400
2017	1359000
2018	1379800
2019	1388000
2020	1395000