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 146 66.7%
2 United States 45 20.5%
3 Germany 7 3.2%
4 Hong Kong 4 1.8%
5 United Kingdom 4 1.8%
6 Netherlands 3 1.4%
7 Singapore 3 1.4%
8 Japan 2 0.9%
9 Malaysia 1 0.5%
10 Taiwan 1 0.5%
11 Portugal 1 0.5%
12 Russia 1 0.5%
13 Canada 1 0.5%