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 121 48.6%
2 United States 61 24.5%
3 Germany 21 8.4%
4 Hong Kong 12 4.8%
5 Taiwan 12 4.8%
6 United Kingdom 6 2.4%
7 Canada 6 2.4%
8 Japan 2 0.8%
9 France 2 0.8%
10 Singapore 2 0.8%
11 Malaysia 1 0.4%
12 Portugal 1 0.4%
13 Australia 1 0.4%
14 Estonia 1 0.4%