Figure 2From: Algorithms for enhancing public health utility of national causes-of-death data Percentage of garbage codes by type of GCs and ICD version, all ages. Between 1950-1957, 40 countries used ICD-6 and sent data to WHO using the same Tab A format as ICD-7. ICD-6 has 235 country-years and 50.9 million deaths.Back to article page