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 73 56.2%
2 United States 20 15.4%
3 Germany 15 11.5%
4 Hong Kong 5 3.8%
5 Taiwan 4 3.1%
6 Canada 2 1.5%
7 Singapore 2 1.5%
8 New Zealand 2 1.5%
9 Nigeria 2 1.5%
10 Portugal 1 0.8%
11 Finland 1 0.8%
12 Ireland 1 0.8%
13 Malaysia 1 0.8%
14 Netherlands 1 0.8%