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 302 42.7%
2 United States 224 31.7%
3 Germany 56 7.9%
4 Netherlands 42 5.9%
5 France 21 3%
6 Canada 15 2.1%
7 Hong Kong 13 1.8%
8 Taiwan 7 1%
9 Portugal 6 0.8%
10 Japan 5 0.7%
11 4 0.6%
12 Ireland 3 0.4%
13 United Kingdom 3 0.4%
14 Korea, Republic of 2 0.3%
15 Finland 2 0.3%
16 Estonia 1 0.1%
17 Singapore 1 0.1%