Era
1945-
11
20th century
5
2000-
4
1945
3
1976-2000
2
1990-
2
1997- --
2
19th century
2
1760-1860
1
18th century
1
1918-1945
1
1945-1989
1
1945-1993
1
1960-
1
1964-1979
1
1966-
1
1970-
1
1971-1981
1
1975-
1
1976-
1
1979-1997
1
1981-2001
1
1985-
1
1990
1
1991-
1
2000- --
1
2001-2009
1
20th century --
1
Commerce
1