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 258 84.9%
2 United States 25 8.2%
3 Germany 7 2.3%
4 Taiwan 3 1%
5 2 0.7%
6 Hong Kong 2 0.7%
7 India 1 0.3%
8 Netherlands 1 0.3%
9 Portugal 1 0.3%
10 Russia 1 0.3%
11 Singapore 1 0.3%
12 Canada 1 0.3%
13 United Kingdom 1 0.3%