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 United States 82 40.2%
2 China 73 35.8%
3 Taiwan 13 6.4%
4 Germany 11 5.4%
5 Hong Kong 9 4.4%
6 Australia 4 2%
7 Canada 3 1.5%
8 Estonia 2 1%
9 Norway 2 1%
10 Portugal 1 0.5%
11 Russia 1 0.5%
12 United Kingdom 1 0.5%
13 Ireland 1 0.5%
14 Japan 1 0.5%