Table 5.

Distribution of articles by location and timeframe

LocationTimeframeTotal%
2000-20112012-20192020-2025
Finland03035
Germany01012
Greece00112
Italy133712
Portugal11135
Spain04159
UK44192747
Multiple0191018
Europe6173457100
Australia21147
China01181935
India03111426
Indonesia02359
Japan12036
Malaysia23059
Pakistan00224
Multiple02024
Asia-Pacific5143554100
Brazil01012
Canada11024
USA112334692
Multiple01012
The Americas2153350100
Egypt032526
Iran00115
Iraq00115
Jordan014526
Qatar01015
Saudi Arabia004421
UAE110211
Middle East161219100
Ghana01018
Kenya00118
Nigeria00118
South Africa014538
Tunisia013431
Multiple01018
Africa04913100
Multiple across different regions141116100
Total1560134209
%72964100
Note(s):

This table displays the geographical and temporal distribution of the 209 RD studies, distinguishing countries, regions and periods from 2000 to 2025. Legend of abbreviations in alphabetical order: UAE = United Arab Emirates; UK = United Kingdom; USA = United States of America

Source(s): Authors’ own work

or Create an Account

Close Modal
Close Modal