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Timeline:
 This timeline shows a graph from 1987 to 1990 of Middle income. No data until 1986. Number of actual observations by date: 3. 
Source name:
 World Development Indicators 
Source organization:
 UNICEF, State of the World's Children, Childinfo, and Demographic and Health Surveys. 
Categories, topics:
 Health 
Last updated:
apr 23, 2017
Indicators value changes by year
Minimum:
20.955
jan 1, 1987
Maximum:
35.245
jan 1, 1990
At the date of observation
Value
Absolute change
Change from the previous value
jan 1, 1987
20.955
 +20.955 
 0.0% 
jan 1, 1988
25.74
 +4.785 
 22.83% 
jan 1, 1990
35.245
 +9.505 
 36.93% 
Ranking of countries by current statistics by years