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 55 34.4%
2 United States 51 31.9%
3 Germany 25 15.6%
4 Netherlands 13 8.1%
5 Philippines 5 3.1%
6 Russia 2 1.2%
7 Pakistan 2 1.2%
8 Sweden 2 1.2%
9 Switzerland 1 0.6%
10 United Kingdom 1 0.6%
11 Japan 1 0.6%
12 Singapore 1 0.6%
13 South Africa 1 0.6%