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 168 50.1%
2 United States 50 14.9%
3 Germany 45 13.4%
4 Canada 39 11.6%
5 Singapore 5 1.5%
6 Taiwan 5 1.5%
7 Hong Kong 5 1.5%
8 Malaysia 4 1.2%
9 Mexico 3 0.9%
10 Ireland 2 0.6%
11 Italy 2 0.6%
12 Ukraine 2 0.6%
13 Czech Republic 2 0.6%
14 Japan 1 0.3%
15 Netherlands 1 0.3%
16 Russia 1 0.3%