1951

$3,600

$2,799.16

12.1697045

1952

$3,600

$2,973.32

11.4568731

1953

$3,600

$3,139.44

10.8506453

1954

$3,600

$3,155.64

10.7949418

1955

$4,200

$3,301.44

10.3182096

1956

$4,200

$3,532.36

9.6436801

1957

$4,200

$3,641.72

9.3540827

1958

$4,200

$3,673.80

9.2724019

1959

$4,800

$3,855.80

8.8347295

1960

$4,800

$4,007.12

8.5011055

1961

$4,800

$4,086.76

8.3354418

1962

$4,800

$4,291.40

7.9379573

1963

$4,800

$4,396.64

7.7479507

1964

$4,800

$4,576.32

7.4437430

1965

$4,800

$4,658.72

7.3120836

1966

$6,600

$4,938.36

6.8980289

1967

$6,600

$5,213.44

6.5340639

1968

$7,800

$5,571.76

6.1138581

1969

$7,800

$5,893.76

5.7798332

1970

$7,800

$6,186.24

5.5065678

1971

$7,800

$6,497.08

5.2431169

1972

$9,000

$7,133.80

4.7751479

1973

$10,800

$7,580.16

4.4939619

1974

$13,200

$8,030.76

4.2418090

1975

$14,100

$8,630.92

3.9468504

1976

$15,300

$9,226.48

3.6920852

1977

$16,500

$9,779.44

3.4833232

1978

$17,700

$10,556.03

3.2270607

1979

$22,900

$11,479.46

2.9674697

1980

$25,900

$12,513.46

2.7222647

1981

$29,700

$13,773.10

2.4732958

1982

$32,400

$14,531.34

2.3442401

1983

$35,700

$15,239.24

2.2353444

1984

$37,800

$16,135.07

2.1112366

1985

$39,600

$16,822.51

2.0249624

1986

$42,000

$17,321.82

1.9665918

1987

$43,800

$18,426.51

1.8486925

1988

$45,000

$19,334.04

1.7619158

1989

$48,000

$20,099.55

1.6948116

1990

$51,300

$21,027.98

1.6199820

1991

$53,400

$21,811.60

1.5617813

1992

$55,500

$22,935.42

1.4852551

1993

$57,600

$23,132.67

1.4725905

1994

$60,600

$23,753.53

1.4341005

1995

$61,200

$24,705.66

1.3788318

1996

$62,700

$25,913.90

1.3145435

1997

$65,400

$27,426.00

1.2420677

1998

$68,400

$28,861.44

1.1802928

1999

$72,600

$30,469.84

1.1179891

2000

$76,200

$32,154.82

1.0594042

2001

$80,400

$32,921.92

1.0347194

2002

$84,900

$33,252.09

1.0244454

2003

$87,000

$34,064.95

1.0000000

2004

$87,900

n/a

1.0000000