1951

$3,600

$2,799.16

11.7613570

1952

$3,600

$2,973.32

11.0724443

1953

$3,600

$3,139.44

10.4865581

1954

$3,600

$3,155.64

10.4327236

1955

$4,200

$3,301.44

9.9719880

1956

$4,200

$3,532.36

9.3200919

1957

$4,200

$3,641.72

9.0402118

1958

$4,200

$3,673.80

8.9612717

1959

$4,800

$3,855.80

8.5382852

1960

$4,800

$4,007.12

8.2158558

1961

$4,800

$4,086.76

8.0557508

1962

$4,800

$4,291.40

7.6716037

1963

$4,800

$4,396.64

7.4879726

1964

$4,800

$4,576.32

7.1939724

1965

$4,800

$4,658.72

7.0667308

1966

$6,600

$4,938.36

6.6665695

1967

$6,600

$5,213.44

6.3148171

1968

$7,800

$5,571.76

5.9087111

1969

$7,800

$5,893.76

5.5858942

1970

$7,800

$6,186.24

5.3217981

1971

$7,800

$6,497.08

5.0671871

1972

$9,000

$7,133.80

4.6149205

1973

$10,800

$7,580.16

4.3431695

1974

$13,200

$8,030.76

4.0994775

1975

$14,100

$8,630.92

3.8144161

1976

$15,300

$9,226.48

3.5681994

1977

$16,500

$9,779.44

3.3664423

1978

$17,700

$10,556.03

3.1187786

1979

$22,900

$11,479.46

2.8678980

1980

$25,900

$12,513.46

2.6309206

1981

$29,700

$13,773.10

2.3903057

1982

$32,400

$14,531.34

2.2655805

1983

$35,700

$15,239.24

2.1603387

1984

$37,800

$16,135.07

2.0403952

1985

$39,600

$16,822.51

1.9570159

1986

$42,000

$17,321.82

1.9006040

1987

$43,800

$18,426.51

1.7866606

1988

$45,000

$19,334.04

1.7027957

1989

$48,000

$20,099.55

1.6379431

1990

$51,300

$21,027.98

1.5656245

1991

$53,400

$21,811.60

1.5093767

1992

$55,500

$22,935.42

1.4354182

1993

$57,600

$23,132.67

1.4231786

1994

$60,600

$23,753.53

1.3859801

1995

$61,200

$24,705.66

1.3325659

1996

$62,700

$25,913.90

1.2704348

1997

$65,400

$27,426.00

1.2003909

1998

$68,400

$28,861.44

1.1406888

1999

$72,600

$30,469.84

1.0804756

2000

$76,200

$32,154.82

1.0238565

2001

$80,400

$32,921.92

1.0000000

2002

$84,900

n/a

1.0000000