BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 187 71.4%
2 United States 41 15.6%
3 Germany 7 2.7%
4 Hong Kong 6 2.3%
5 Taiwan 4 1.5%
6 Russia 3 1.1%
7 Singapore 2 0.8%
8 United Kingdom 2 0.8%
9 Macao 2 0.8%
10 Malaysia 2 0.8%
11 Canada 2 0.8%
12 1 0.4%
13 France 1 0.4%
14 Netherlands 1 0.4%
15 Portugal 1 0.4%