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 235 63.5%
2 United States 70 18.9%
3 Taiwan 17 4.6%
4 Germany 15 4.1%
5 Hong Kong 9 2.4%
6 Japan 5 1.4%
7 Portugal 5 1.4%
8 United Kingdom 4 1.1%
9 Canada 3 0.8%
10 Russia 2 0.5%
11 Singapore 2 0.5%
12 1 0.3%
13 France 1 0.3%
14 Netherlands 1 0.3%