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 212 61.4%
2 United States 70 20.3%
3 Germany 21 6.1%
4 Canada 10 2.9%
5 Taiwan 9 2.6%
6 Malaysia 4 1.2%
7 Russia 3 0.9%
8 Israel 3 0.9%
9 Japan 3 0.9%
10 Seychelles 2 0.6%
11 Singapore 2 0.6%
12 Sweden 2 0.6%
13 Switzerland 2 0.6%
14 Hong Kong 1 0.3%
15 Ukraine 1 0.3%