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 176 62.9%
2 United States 51 18.2%
3 Germany 12 4.3%
4 Netherlands 10 3.6%
5 Portugal 5 1.8%
6 Hong Kong 5 1.8%
7 Canada 5 1.8%
8 3 1.1%
9 Senegal 3 1.1%
10 Singapore 3 1.1%
11 United Kingdom 2 0.7%
12 Ireland 2 0.7%
13 Japan 1 0.4%
14 France 1 0.4%
15 Russia 1 0.4%