Academic Institutions Lifetime |
Academic Institutions Prior Five Years |
Non-academic Institutions Lifetime |
|||
---|---|---|---|---|---|
#1 | United States | #1 | China | #1 | Russia |
#2 | Japan | #2 | Iran | #2 | Germany |
#3 | United States | #3 | United States | #3 | Germany |
#4 | United States | #4 | Iran | #4 | Japan |
#5 | United States | #5 | United States | #5 | Denmark |
#6 | Germany | #6 | Russia | #6 | |
#7 | United States | #7 | China | #7 | Canada |
#8 | United States | #8 | Czechia | #8 | Germany |
#9 | United States | #9 | Canada | #9 | United States |
#10 | Saudi Arabia | #10 | United Kingdom | #10 | United States |
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