Era
2001-2009
14
2009-
13
21st century
9
Since 2009
8
2001-
5
2005
5
1981-2001
4
1988-
4
1988-2000
4
2001
4
2000-2099
3
2001 - 2009
3
2001-2009-
3
2010
3
1988 - 2000
2
1995
2
2000 - 2099
2
2008
2
2013
2
Appropriations and expenditures, 2008
2
Appropriations and expenditures, 2013
2
1981 - 1993
1
1981 - 2001
1
1981-1993
1
1985-1991
1
1986 - 1991
1
1986-1991
1
1989-
1
2006
1
Appropriations and expenditures, 2005
1
Appropriations and expenditures, 2006
1
Appropriations and expenditures, 2010
1