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 49 50.5%
2 United States 21 21.6%
3 Germany 8 8.2%
4 Hong Kong 3 3.1%
5 Taiwan 3 3.1%
6 United Kingdom 2 2.1%
7 Canada 2 2.1%
8 Switzerland 2 2.1%
9 Malaysia 2 2.1%
10 Philippines 1 1%
11 Portugal 1 1%
12 Russia 1 1%
13 Korea, Republic of 1 1%
14 France 1 1%