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 124 52.8%
2 United States 71 30.2%
3 Taiwan 13 5.5%
4 Germany 7 3%
5 Hong Kong 7 3%
6 Korea, Republic of 3 1.3%
7 Senegal 2 0.9%
8 Singapore 2 0.9%
9 United Kingdom 1 0.4%
10 Portugal 1 0.4%
11 Italy 1 0.4%
12 Czech Republic 1 0.4%
13 Australia 1 0.4%
14 Canada 1 0.4%