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 99 60%
2 United States 28 17%
3 Germany 7 4.2%
4 Hong Kong 7 4.2%
5 Taiwan 6 3.6%
6 United Kingdom 3 1.8%
7 Russia 2 1.2%
8 Switzerland 2 1.2%
9 Australia 2 1.2%
10 Canada 2 1.2%
11 Japan 2 1.2%
12 Korea, Republic of 2 1.2%
13 Portugal 1 0.6%
14 Ireland 1 0.6%
15 Singapore 1 0.6%