Era
21st century
10
1949-
5
20th century
5
1990-
3
2000-
3
Since 1949
3
2000
2
2000-2099
2
1895-1945
1
1900 - 1999
1
1900-2099
1
1945-
1
1947-
1
1960-
1
1970-
1
1980-2020
1
1982-
1
1986-
1
19th century
1
2001
1
2001-2009
1
2003-2011
1
2009
1
2010
1
29th century
1
Appropriations and expenditures, 2008-2013
1
Since 1945
1
Since 1947
1
Since 1982
1
Since 2000
1