BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 30 30.3%
2 United States 19 19.2%
3 United Kingdom 14 14.1%
4 Netherlands 11 11.1%
5 Russia 9 9.1%
6 France 5 5.1%
7 Germany 2 2%
8 Japan 2 2%
9 Senegal 2 2%
10 Ukraine 2 2%
11 Moldova, Republic of 1 1%
12 Australia 1 1%
13 Canada 1 1%