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 China 211 54.4%
2 United States 103 26.5%
3 Germany 29 7.5%
4 Canada 11 2.8%
5 Ireland 6 1.5%
6 Taiwan 5 1.3%
7 Netherlands 5 1.3%
8 New Zealand 2 0.5%
9 Russia 2 0.5%
10 Singapore 2 0.5%
11 France 2 0.5%
12 Japan 2 0.5%
13 Malaysia 2 0.5%
14 Iceland 2 0.5%
15 India 2 0.5%
16 Austria 1 0.3%
17 Czech Republic 1 0.3%