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 252 53.3%
2 United States 143 30.2%
3 Hong Kong 15 3.2%
4 Germany 14 3%
5 Russia 8 1.7%
6 Netherlands 6 1.3%
7 Portugal 5 1.1%
8 Senegal 5 1.1%
9 Canada 4 0.8%
10 3 0.6%
11 Singapore 3 0.6%
12 Taiwan 3 0.6%
13 Ukraine 3 0.6%
14 United Kingdom 3 0.6%
15 Japan 2 0.4%
16 Korea, Republic of 2 0.4%
17 Finland 1 0.2%
18 France 1 0.2%