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 98 59%
2 United States 35 21.1%
3 Germany 12 7.2%
4 Hong Kong 6 3.6%
5 Taiwan 4 2.4%
6 Canada 3 1.8%
7 United Kingdom 2 1.2%
8 Ecuador 2 1.2%
9 Finland 1 0.6%
10 Korea, Republic of 1 0.6%
11 Portugal 1 0.6%
12 Russia 1 0.6%