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 134 68.4%
2 United States 32 16.3%
3 Germany 10 5.1%
4 Hong Kong 9 4.6%
5 Japan 3 1.5%
6 United Kingdom 2 1%
7 Canada 1 0.5%
8 Malaysia 1 0.5%
9 Netherlands 1 0.5%
10 Portugal 1 0.5%
11 Singapore 1 0.5%
12 Ireland 1 0.5%