1951

$3,600

$2,799.16

11.4873105

1952

$3,600

$2,973.32

10.8144498

1953

$3,600

$3,139.44

10.2422152

1954

$3,600

$3,155.64

10.1896351

1955

$4,200

$3,301.44

9.7396348

1956

$4,200

$3,532.36

9.1029284

1957

$4,200

$3,641.72

8.8295695

1958

$4,200

$3,673.80

8.7524688

1959

$4,800

$3,855.80

8.3393381

1960

$4,800

$4,007.12

8.0244215

1961

$4,800

$4,086.76

7.8680471

1962

$4,800

$4,291.40

7.4928508

1963

$4,800

$4,396.64

7.3134985

1964

$4,800

$4,576.32

7.0263487

1965

$4,800

$4,658.72

6.9020718

1966

$6,600

$4,938.36

6.5112345

1967

$6,600

$5,213.44

6.1676782

1968

$7,800

$5,571.76

5.7710346

1969

$7,800

$5,893.76

5.4557396

1970

$7,800

$6,186.24

5.1977970

1971

$7,800

$6,497.08

4.9491187

1972

$9,000

$7,133.80

4.5073902

1973

$10,800

$7,580.16

4.2419711

1974

$13,200

$8,030.76

4.0039573

1975

$14,100

$8,630.92

3.7255379

1976

$15,300

$9,226.48

3.4850582

1977

$16,500

$9,779.44

3.2880022

1978

$17,700

$10,556.03

3.0461092

1979

$22,900

$11,479.46

2.8010743

1980

$25,900

$12,513.46

2.5696186

1981

$29,700

$13,773.10

2.3346102

1982

$32,400

$14,531.34

2.2127911

1983

$35,700

$15,239.24

2.1100015

1984

$37,800

$16,135.07

1.9928528

1985

$39,600

$16,822.51

1.9114163

1986

$42,000

$17,321.82

1.8563188

1987

$43,800

$18,426.51

1.7450304

1988

$45,000

$19,334.04

1.6631196

1989

$48,000

$20,099.55

1.5997781

1990

$51,300

$21,027.98

1.5291445

1991

$53,400

$21,811.60

1.4742073

1992

$55,500

$22,935.42

1.4019721

1993

$57,600

$23,132.67

1.3900177

1994

$60,600

$23,753.53

1.3536860

1995

$61,200

$24,705.66

1.3015163

1996

$62,700

$25,913.90

1.2408329

1997

$65,400

$27,426.00

1.1724211

1998

$68,400

$28,861.44

1.1141100

1999

$72,600

$30,469.84

1.0552999

2000

$76,200

$32,154.82

1.0000000

2001

$80,400

n/a

1.0000000