Table 1.
Top 10 countries/regions according to publications.
| Rank | Country/regions | Publications (%) | TC | AC | Avg. pub. year |
|---|---|---|---|---|---|
| 1 | USA | 1,722 (35.23%) | 15,800 | 9.18 | 2021.19 |
| 2 | China | 593 (12.13%) | 9,503 | 16.03 | 2021.16 |
| 3 | England | 584 (11.95%) | 8,610 | 14.74 | 2021.18 |
| 4 | Italy | 416 (8.51%) | 5,243 | 12.60 | 2021.03 |
| 5 | Canada | 387 (7.92%) | 5,839 | 15.09 | 2021.25 |
| 6 | Australia | 306 (6.26%) | 3,049 | 9.96 | 2021.21 |
| 7 | Turkey | 259 (5.30%) | 1,340 | 5.17 | 2021.22 |
| 8 | Spain | 234 (4.79%) | 2,243 | 9.59 | 2021.11 |
| 9 | India | 197 (4.03%) | 2,324 | 11.80 | 2021.09 |
| 10 | Germany | 190 (3.89%) | 2,160 | 11.37 | 2021.29 |
TC, total citations; AC,average citations per paper; Avg. pub. year, the score of average publication year.