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 87 56.1%
2 United States 20 12.9%
3 Germany 15 9.7%
4 Taiwan 11 7.1%
5 Hong Kong 10 6.5%
6 United Kingdom 4 2.6%
7 Canada 2 1.3%
8 Japan 1 0.6%
9 Latvia 1 0.6%
10 Malaysia 1 0.6%
11 Philippines 1 0.6%
12 Portugal 1 0.6%
13 Russia 1 0.6%