BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 Finland 464 36.2%
2 United States 307 24%
3 China 205 16%
4 Germany 153 11.9%
5 Canada 119 9.3%
6 Iran, Islamic Republic of 9 0.7%
7 Korea, Republic of 5 0.4%
8 Japan 3 0.2%
9 United Kingdom 3 0.2%
10 Taiwan 2 0.2%
11 Malaysia 2 0.2%
12 Romania 2 0.2%
13 Singapore 2 0.2%
14 Hong Kong 2 0.2%
15 Egypt 2 0.2%
16 Sweden 1 0.1%