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 57 58.2%
2 United States 16 16.3%
3 Germany 7 7.1%
4 Hong Kong 3 3.1%
5 Korea, Republic of 3 3.1%
6 Macao 3 3.1%
7 United Kingdom 2 2%
8 Singapore 2 2%
9 Sweden 1 1%
10 Taiwan 1 1%
11 Malaysia 1 1%
12 Portugal 1 1%
13 Japan 1 1%