This timeline shows a graph from 1966 to 1997 of Burundi. No data until 1965. Number of actual observations by date: 6.
Source name:
World Development Indicators
Source organization:
World Intellectual Property Organization (WIPO), WIPO Patent Report: Statistics on Worldwide Patent Activity. The International Bureau of WIPO assumes no responsibility with respect to the transformation of these data.
Categories, topics:
Science & Technology
Last updated:
apr 23, 2017
Indicators value changes by year
Meaning:
1.0
Minimum:
1.0
jan 1, 1966
Maximum:
1.0
jan 1, 1966
At the date of observation
Value
Absolute change
Change from the previous value
jan 1, 1966
1.0
+1.0
0.0%
jan 1, 1967
1.0
0.0
0.0%
jan 1, 1970
1.0
0.0
0.0%
jan 1, 1973
1.0
0.0
0.0%
jan 1, 1990
1.0
0.0
0.0%
jan 1, 1997
1.0
0.0
0.0%
Ranking of countries by current statistics by years