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 231 71.5%
2 United States 36 11.1%
3 Germany 15 4.6%
4 Hong Kong 10 3.1%
5 Russia 8 2.5%
6 Taiwan 6 1.9%
7 Portugal 5 1.5%
8 Singapore 4 1.2%
9 Canada 3 0.9%
10 United Kingdom 2 0.6%
11 Ukraine 1 0.3%
12 Australia 1 0.3%
13 Japan 1 0.3%