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 275 59.8%
2 United States 103 22.4%
3 Germany 41 8.9%
4 Hong Kong 21 4.6%
5 Netherlands 3 0.7%
6 Singapore 3 0.7%
7 Canada 3 0.7%
8 Ukraine 2 0.4%
9 United Kingdom 2 0.4%
10 Sweden 2 0.4%
11 Taiwan 1 0.2%
12 Hungary 1 0.2%
13 Japan 1 0.2%
14 Malaysia 1 0.2%
15 Belarus 1 0.2%