Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Top 10 countries/regions for publications and citations.
| Rank | Countries/Regions | Publications | %（of 473） | Rank | Countries/Regions | Citations |
|---|---|---|---|---|---|---|
| 1 | CHINA | 172 | 36.36 % | 1 | USA | 8730 |
| 2 | USA | 159 | 33.62 % | 2 | CHINA | 3959 |
| 3 | JAPAN | 35 | 7.40 % | 3 | FRANCE | 1369 |
| 4 | SOUTH KOREA | 33 | 6.98 % | 4 | ITALY | 1176 |
| 5 | ITALY | 26 | 5.50 % | 5 | SWEDEN | 1036 |
| 6 | ENGLAND | 24 | 5.07 % | 6 | ENGLAND | 951 |
| 7 | GERMANY | 23 | 4.86 % | 7 | SOUTH KOREA | 817 |
| 8 | FRANCE | 21 | 4.44 % | 8 | JAPAN | 655 |
| 9 | SPAIN | 16 | 3.38 % | 9 | GERMANY | 630 |
| 10 | CANADA | 14 | 2.96 % | 10 | AUSTRIA | 463 |
