Additional file 4 of Trends in prevalence and incidence of chronic respiratory diseases from 1990 to 2017

Additional file 4: Figure S2. The age-standardized incidence rate (ASIR) of chronic obstructive pulmonary disease (COPD), pneumoconiosis, asthma and interstitial lung disease and pulmonary sarcoidosis in countires classified by the World Bank income levels during 1990–2017.