Era
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1946-
8
1947-
6
1948-
9
1949-
6
1950-
2
1951-
3
1952-
5
1953-
9
1954-
4
1955-
7
1956-
7
1957-
3
1958-
4
1959-
3
1960-
5
1961-
7
1962-
1
1963-
10
1964-
2
1965-
2
1966-
3
1967-
3
1968-
5
1969-
3
1970-
2
1971-
2
1971-1990
1
1972-
4
1973-
4
1974-
3
1975-
3
1976-
3
1977-
3
1978-
4
1979-
1
1980-
2
1981-
7
1982-
3
1983-
1
1990-
1
1993-2001
1
19th century
1
2001-2009
3
2009-
5
2020
2
20th century
2
21st century
3
Appropriations and expenditures, 2004
1
Appropriations and expenditures, 2006
1
Appropriations and expenditures, 2019
3
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