1951

$3,600

$2,799.16

11.8793102

1952

$3,600

$2,973.32

11.1834885

1953

$3,600

$3,139.44

10.5917265

1954

$3,600

$3,155.64

10.5373522

1955

$4,200

$3,301.44

10.0719959

1956

$4,200

$3,532.36

9.4135620

1957

$4,200

$3,641.72

9.1308750

1958

$4,200

$3,673.80

9.0511432

1959

$4,800

$3,855.80

8.6239146

1960

$4,800

$4,007.12

8.2982516

1961

$4,800

$4,086.76

8.1365409

1962

$4,800

$4,291.40

7.7485413

1963

$4,800

$4,396.64

7.5630686

1964

$4,800

$4,576.32

7.2661199

1965

$4,800

$4,658.72

7.1376022

1966

$6,600

$4,938.36

6.7334277

1967

$6,600

$5,213.44

6.3781476

1968

$7,800

$5,571.76

5.9679688

1969

$7,800

$5,893.76

5.6419145

1970

$7,800

$6,186.24

5.3751697

1971

$7,800

$6,497.08

5.1180053

1972

$9,000

$7,133.80

4.6612030

1973

$10,800

$7,580.16

4.3867267

1974

$13,200

$8,030.76

4.1405907

1975

$14,100

$8,630.92

3.8526704

1976

$15,300

$9,226.48

3.6039844

1977

$16,500

$9,779.44

3.4002039

1978

$17,700

$10,556.03

3.1500564

1979

$22,900

$11,479.46

2.8966598

1980

$25,900

$12,513.46

2.6573058

1981

$29,700

$13,773.10

2.4142778

1982

$32,400

$14,531.34

2.2883017

1983

$35,700

$15,239.24

2.1820045

1984

$37,800

$16,135.07

2.0608581

1985

$39,600

$16,822.51

1.9766426

1986

$42,000

$17,321.82

1.9196649

1987

$43,800

$18,426.51

1.8045788

1988

$45,000

$19,334.04

1.7198728

1989

$48,000

$20,099.55

1.6543699

1990

$51,300

$21,027.98

1.5813259

1991

$53,400

$21,811.60

1.5245140

1992

$55,500

$22,935.42

1.4498139

1993

$57,600

$23,132.67

1.4374514

1994

$60,600

$23,753.53

1.3998799

1995

$61,200

$24,705.66

1.3459300

1996

$62,700

$25,913.90

1.2831758

1997

$65,400

$27,426.00

1.2124294

1998

$68,400

$28,861.44

1.1521286

1999

$72,600

$30,469.84

1.0913116

2000

$76,200

$32,154.82

1.0341246

2001

$80,400

$32,921.92

1.0100289

2002

$84,900

$33,252.09

1.0000000

2003

$87,000

n/a

1.0000000