2007

$97,500

1985

$39,600

2006

$94,200

1984

$37,800

2005

$90,000

1983

$35,700

2004

$87,900

1982

$32,400

2003

$87,000

1981

$29,700

2002

$84,900

1980

$25,900

2001

$80,400

1979

$22,900

2000

$76,200

1978

$17,700

1999

$72,600

1977

$16,500

1998

$68,400

1976

$15,300

1997

$65,400

1975

$14,100

1996

$62,700

1974

$13,200

1995

$61,200

1973

$10,800

1994

$60,600

1972

$9,000

1993

$57,600

1968-1971

$7,800

1992

$55,500

1967

$6,600

1991

$53,400

1966

$6,600

1990

$51,300

1959-1965

$4,800

1989

$48,000

1955-1958

$4,200

1988

$45,000

1951-1954

$3,600

1987

$43,800

1940-1950

$3,000

1986

$42,000

1937-1939

$3,000 per employer