| 1983–1991 | 1992–2000 |
Cases n | 120 | 126 |
Type of exposure | | |
Group I | 67 | 36 |
Group II | 27 | 72 |
Group III | 9 | 11 |
No data | 17 | 7 |
Disease | | |
Asbestosis | 4 | 8 |
Lung cancer | 9 | 7 |
Benign pleural disease alone | 41 | 45 |
Malignant mesothelioma | 17 | 15 |
Other pneumoconiosis# | 7 | 3 |
No lung or pleural disease | 8 | 6 |
No data on lung or pleural disease | 34 | 42 |