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 144 60.5%
2 United States 49 20.6%
3 Germany 14 5.9%
4 Korea, Republic of 6 2.5%
5 Taiwan 6 2.5%
6 Australia 4 1.7%
7 Canada 4 1.7%
8 Hong Kong 3 1.3%
9 Malaysia 2 0.8%
10 Singapore 2 0.8%
11 United Kingdom 1 0.4%
12 Portugal 1 0.4%
13 Japan 1 0.4%
14 Finland 1 0.4%