Table 1 Man-years of labour by territory as percent of all miner man-years

From: Changes in the geographical and temporal patterns of cancer incidence among black gold miners working in South Africa, 1964–1996

Place

1964–68

1964–71

1972–79

1980–89

1989–96

South Africa

Cape

28.0

26.1

26.5

34.2

23.9

Transkei

NA

18.8

NA

28.2

21.5

Ciskei

NA

7.3

NA

3.1

1.2

Other Cape

NA

NA

NA

2.8

1.2

Transvaal

3.9

3.4

4.1

5.4

7.1

Free State

1.9

1.9

3.9

6.0

4.3

Kwazulu-Natal

2.6

2.3

2.8

6.3

6.6

Bophuthatswana

NA

NA

NA

3.1

7.9

Ex-High Commission

Botswana

5.4

5.2

5.2

4.0

3.6

Swazi and Kangwane

1.4

1.5

2.0

3.3

4.8

Lesotho

15.5

16.1

22.3

24.1

26.8

Foreign

Mozambique

23.9

24.3

17.7

10.2

15.0

Malawi and Northern territories

17.4

19.2

15.5

3.3

Total man-years

1 813 325

2 926 461

2 910 506

4 405 949

2 561 720

Average man-years p.a.

362 665

365 808

363 813

440 595

320 215

  1. NA=data not available.