Year Personnel 1985 1000000 1989 1000000 1990 1390000 1991 475000 1992 407000 1993 407000 1994 425000 1995 407300 1996 432500 1997 442900 1998 479000 1999 479000 2000 479000 2001 467000 2002 432000 2003 432000 2004 179000 2005 227000 2006 495000 2007 362000 2008 577000 2009 659395 2010 802400 2011 802400 2012 802400 2013 177600 2014 209000 2015 209000 2016 209000 2017 209000 2018 336000 2019 341000 2020 459000