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 67 53.2%
2 United States 23 18.3%
3 Germany 16 12.7%
4 Russia 5 4%
5 Hong Kong 4 3.2%
6 Canada 3 2.4%
7 Singapore 3 2.4%
8 United Kingdom 1 0.8%
9 Mexico 1 0.8%
10 Portugal 1 0.8%
11 Saudi Arabia 1 0.8%
12 France 1 0.8%