Era
2009-
8
1991-
4
2000-
4
21st century
4
1918-1945
3
1971-1981
3
1877-1941
2
1933-1945
2
1960-
2
1976-2000
2
1989-
2
1822-1913
1
1882-1945
1
1889-1945
1
1918-1933
1
1924-
1
1961-1971
1
1979-1992
1
1981-1989
1
1981-2001
1
1990-
1
1991-2016
1
19th century
1
2001-
1
2001-2009
1
2008
1
2009-2017
1
20th century
1
Appropriations and expenditures, 2011-2016
1