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 64 51.6%
2 United States 20 16.1%
3 Germany 7 5.6%
4 United Kingdom 6 4.8%
5 Hong Kong 5 4%
6 Portugal 5 4%
7 Taiwan 4 3.2%
8 Canada 3 2.4%
9 Russia 3 2.4%
10 Singapore 3 2.4%
11 Japan 2 1.6%
12 Netherlands 1 0.8%
13 India 1 0.8%