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 434 69%
2 United States 104 16.5%
3 Germany 48 7.6%
4 Taiwan 22 3.5%
5 Hong Kong 5 0.8%
6 Macao 5 0.8%
7 Netherlands 2 0.3%
8 Nigeria 2 0.3%
9 Singapore 2 0.3%
10 Canada 1 0.2%
11 United Kingdom 1 0.2%
12 Romania 1 0.2%
13 Russia 1 0.2%
14 India 1 0.2%