Date of Rate Increase

Maximum Rate – S40(1), (1C)

50% Rate– S40(1A), (1B)

1 September 1971

$6,750

n/a

2 November 1972

$7,250

n/a

16 November 1974

$10,000

n/a

1 September 1976

$12,500

n/a

1 September 1979

$14,000

n/a

1 September 1980

$16,250

n/a

1 September 1981

$17,750

n/a

1 May 1982

$18,575

n/a

1 November 1982

$20,160

n/a

1 May 1983

$21,000

n/a

1 November 1983

$22,010

n/a

1 May 1984

$23,210

n/a

1 November 1984

$24,860

n/a

1 May 1985

$25,010

n/a

5 September 1985

$25,010

$12,505

1 November 1985

$25,660

$12,830

1 May 1986

$26,510

$13,255

13 December 1986

$27,330

$13,665

13 June 1987

$28,370

$14,185

13 December 1987

$28,910

$14,455

13 June 1988

$30,010

$15,005