Year Personnel 1985 1260000 1989 1260000 1990 1260000 1991 1270000 1992 1270000 1993 1270000 1994 1270000 1995 2149500 1996 2223000 1997 2233000 1998 2265000 1999 2263000 2000 2372000 2001 2352700 2002 2387700 2003 2414700 2004 2617000 2005 3047000 2006 2589000 2007 2576000 2008 2582000 2009 2625586 2010 2625586 2011 2647150 2012 2728700 2013 2749700 2014 2749700 2015 2798800 2016 2981050 2017 3031000 2018 3026500 2019 3045000 2020 3068000