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 United States 226 41.2%
2 China 162 29.5%
3 Germany 62 11.3%
4 Netherlands 41 7.5%
5 France 21 3.8%
6 Hong Kong 13 2.4%
7 Portugal 7 1.3%
8 Canada 4 0.7%
9 4 0.7%
10 Japan 3 0.5%
11 Argentina 2 0.4%
12 Norway 1 0.2%
13 Russia 1 0.2%
14 Saudi Arabia 1 0.2%
15 Singapore 1 0.2%