Era
1995-
15
1929-1968
7
Revolution, 1775-1783
7
1725-1792
3
19th century
3
1735-1826
2
17th century
2
1850-1937
2
1950-
2
1952-
2
1959-
2
1732-1795
1
1743-1826
1
1778-1803
1
1779-1843
1
1869-1948
1
1882-1945
1
1897-1971
1
18th century
1
1913-2005
1
1934-
1
1947-
1
1955-
1
1961-
1
1964-
1
1966-
1
1982-
1
21st century
1
Appropriations and expenditures, 1999
1
Appropriations and expenditures, 2013
1
Modern period, 1500-
1