BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 234 61.9%
2 United States 54 14.3%
3 Germany 39 10.3%
4 Canada 15 4%
5 Australia 11 2.9%
6 Hong Kong 10 2.6%
7 Russia 5 1.3%
8 Netherlands 4 1.1%
9 United Kingdom 3 0.8%
10 Singapore 1 0.3%
11 Romania 1 0.3%
12 Ecuador 1 0.3%