Era
2017
31
2016
30
2010
26
2011
25
2018
23
2008
21
2019
20
2007
19
1999
18
2006
18
1989
17
2009
17
2012
17
1997
16
1998
15
2015
14
2001
13
1985
12
1996
12
2013
12
1987
11
1990
11
1991
11
1981
10
1982
10
1986
10
2014
10
20th century
10
1983
8
2020
8
Appropriations and expenditures, 1990
8
Appropriations and expenditures, 1991
8
1941
7
2000
7
21st century
7
Appropriations and expenditures, 1997
7
1984
6
1988-1989
6
2005
6
Appropriations and expenditures, 1999
6
1960
5
2002
5
2003
5
2004
5
Appropriations and expenditures, 1989
5
Appropriations and expenditures, 1998
5
1900-1999
4
1939-1945
4
1954
4
1988
4
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