DISEASE*                                      1976   1981   1986   1991   1996   2001

TUBERCULOSIS OF RESPIRATORY SYSTEM              39     21     24      8     19      9
MALIGNANT NEOPLASMS OF RESPIRATORY SYSTEM      949  1,307  1,458  1,635  1,790  1,951
  MALIGNANT NEOPLASMS OF TRACHEA, BRONCHUS,                                          
    AND LUNG                                   914  1,263  1,404  1,586  1,736  1,901
CHRONIC AND UNQUALIFIED BRONCHITIS              35     28     29     50     40     13
EMPHYSEMA                                      181    102     92    125    135    132
ASTHMA                                          19     34     45     45     60     50

* PERIODIC CHANGES IN THE CLASSIFICATION SYSTEM WHICH HAVE OCCURRED THROUGH THE YEARS
  HAVE RESULTED IN AN UNAVOIDABLE LACK OF COMPARABILITY FOR SOME CAUSES, AND CAUTION 
  SHOULD BE USED WHEN ANALYZING LONG-TERM TRENDS.