This statistics in other country:
Timeline:
This timeline shows a graph from 2008 to 2014 of Tanzania. No data until 2007. Number of actual observations by date: 3.
Source name:
World Development Indicators
Source organization:
United Nations Educational, Scientific, and Cultural Organization (UNESCO) Institute for Statistics.
Categories, topics:
Science & Technology
Last updated:
apr 23, 2017
Indicators value changes by year
At the date of observation
Value
Absolute change
Change from previous value
jan 1, 2008
0.34
+0.34
0.0%
jan 1, 2011
0.38
+0.04
11.86%
jan 1, 2014
0.529
+0.149
39.18%
Ranking of countries by current statistics by years
Comments: