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 308 36.9%
2 United States 283 33.9%
3 Netherlands 75 9%
4 Germany 60 7.2%
5 France 45 5.4%
6 Canada 17 2%
7 Hong Kong 15 1.8%
8 Portugal 7 0.8%
9 Taiwan 6 0.7%
10 5 0.6%
11 Iran, Islamic Republic of 3 0.4%
12 Ukraine 3 0.4%
13 Norway 3 0.4%
14 Japan 2 0.2%
15 Korea, Republic of 1 0.1%
16 Russia 1 0.1%