This timeline shows a graph from 1962 to 2008 of Tanzania. No data until 1961. Number of actual observations by date: 25.
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:
52.64
Minimum:
10.0
jan 1, 1973
Maximum:
109.0
jan 1, 1968
At the date of observation
Value
Absolute change
Change from the previous value
jan 1, 1962
35.0
+35.0
0.0%
jan 1, 1963
43.0
+8.0
22.86%
jan 1, 1964
52.0
+9.0
20.93%
jan 1, 1965
58.0
+6.0
11.54%
jan 1, 1966
73.0
+15.0
25.86%
jan 1, 1968
109.0
+36.0
49.32%
jan 1, 1973
10.0
-99.0
-90.83%
jan 1, 1975
14.0
+4.0
40.0%
jan 1, 1977
40.0
+26.0
185.71%
jan 1, 1978
98.0
+58.0
145.0%
jan 1, 1980
56.0
-42.0
-42.86%
jan 1, 1981
62.0
+6.0
10.71%
jan 1, 1983
27.0
-35.0
-56.45%
jan 1, 1989
98.0
+71.0
262.96%
jan 1, 1990
98.0
0.0
0.0%
jan 1, 1999
62.0
-36.0
-36.73%
jan 1, 2000
95.0
+33.0
53.23%
jan 1, 2001
21.0
-74.0
-77.89%
jan 1, 2002
43.0
+22.0
104.76%
jan 1, 2003
63.0
+20.0
46.51%
jan 1, 2004
16.0
-47.0
-74.6%
jan 1, 2005
26.0
+10.0
62.5%
jan 1, 2006
15.0
-11.0
-42.31%
jan 1, 2007
55.0
+40.0
266.67%
jan 1, 2008
47.0
-8.0
-14.55%
Ranking of countries by current statistics by years