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 164 54.3%
2 United States 68 22.5%
3 Taiwan 31 10.3%
4 Germany 13 4.3%
5 Hong Kong 11 3.6%
6 Canada 4 1.3%
7 Norway 2 0.7%
8 Japan 2 0.7%
9 United Kingdom 2 0.7%
10 Ukraine 1 0.3%
11 Netherlands 1 0.3%
12 Portugal 1 0.3%
13 Singapore 1 0.3%
14 Australia 1 0.3%