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 United States 51 35.2%
2 China 31 21.4%
3 Canada 18 12.4%
4 Netherlands 14 9.7%
5 Germany 6 4.1%
6 Kenya 4 2.8%
7 Egypt 2 1.4%
8 France 2 1.4%
9 Nigeria 2 1.4%
10 Peru 2 1.4%
11 Somalia 2 1.4%
12 Malaysia 2 1.4%
13 Namibia 2 1.4%
14 Russia 2 1.4%
15 Saudi Arabia 1 0.7%
16 Sweden 1 0.7%
17 United Kingdom 1 0.7%
18 Philippines 1 0.7%
19 Kuwait 1 0.7%