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 181 64.2%
2 United States 35 12.4%
3 Russia 17 6%
4 Germany 16 5.7%
5 Hong Kong 9 3.2%
6 Canada 5 1.8%
7 Portugal 5 1.8%
8 Taiwan 3 1.1%
9 Senegal 2 0.7%
10 Norway 2 0.7%
11 Japan 2 0.7%
12 Malaysia 1 0.4%
13 Peru 1 0.4%
14 Switzerland 1 0.4%
15 Ukraine 1 0.4%
16 United Kingdom 1 0.4%