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 321 68.3%
2 United States 55 11.7%
3 Canada 30 6.4%
4 Germany 27 5.7%
5 Ireland 6 1.3%
6 Singapore 5 1.1%
7 Taiwan 5 1.1%
8 Russia 4 0.9%
9 Hong Kong 4 0.9%
10 Malaysia 3 0.6%
11 United Kingdom 3 0.6%
12 United Arab Emirates 2 0.4%
13 Netherlands 2 0.4%
14 Switzerland 1 0.2%
15 Belgium 1 0.2%
16 Ukraine 1 0.2%