BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 Canada 14 17.9%
2 United States 14 17.9%
3 Germany 12 15.4%
4 China 9 11.5%
5 Russia 8 10.3%
6 Netherlands 7 9%
7 Japan 6 7.7%
8 Singapore 4 5.1%
9 India 2 2.6%
10 France 1 1.3%
11 Slovakia 1 1.3%