BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 51 35.2%
2 United States 45 31%
3 Egypt 13 9%
4 Germany 8 5.5%
5 Netherlands 6 4.1%
6 Pakistan 5 3.4%
7 Singapore 4 2.8%
8 Turkey 2 1.4%
9 Hong Kong 2 1.4%
10 France 2 1.4%
11 Canada 2 1.4%
12 Malaysia 2 1.4%
13 India 1 0.7%
14 Japan 1 0.7%
15 Russia 1 0.7%