This timeline shows a graph from 1966 to 1997 of Burundi. No data until 1965. Number of actual observations by date: 28.
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:
4.643
Minimum:
1.0
jan 1, 1980
Maximum:
14.0
jan 1, 1967
At the date of observation
Value
Absolute change
Change from the previous value
jan 1, 1966
3.0
+3.0
0.0%
jan 1, 1967
14.0
+11.0
366.67%
jan 1, 1968
10.0
-4.0
-28.57%
jan 1, 1969
6.0
-4.0
-40.0%
jan 1, 1970
11.0
+5.0
83.33%
jan 1, 1971
4.0
-7.0
-63.64%
jan 1, 1972
5.0
+1.0
25.0%
jan 1, 1973
3.0
-2.0
-40.0%
jan 1, 1974
2.0
-1.0
-33.33%
jan 1, 1975
4.0
+2.0
100.0%
jan 1, 1976
6.0
+2.0
50.0%
jan 1, 1977
7.0
+1.0
16.67%
jan 1, 1978
6.0
-1.0
-14.29%
jan 1, 1979
4.0
-2.0
-33.33%
jan 1, 1980
1.0
-3.0
-75.0%
jan 1, 1981
10.0
+9.0
900.0%
jan 1, 1982
5.0
-5.0
-50.0%
jan 1, 1983
2.0
-3.0
-60.0%
jan 1, 1984
2.0
0.0
0.0%
jan 1, 1985
7.0
+5.0
250.0%
jan 1, 1987
2.0
-5.0
-71.43%
jan 1, 1990
1.0
-1.0
-50.0%
jan 1, 1991
3.0
+2.0
200.0%
jan 1, 1993
2.0
-1.0
-33.33%
jan 1, 1994
1.0
-1.0
-50.0%
jan 1, 1995
4.0
+3.0
300.0%
jan 1, 1996
1.0
-3.0
-75.0%
jan 1, 1997
4.0
+3.0
300.0%
Ranking of countries by current statistics by years
