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 33 29.5%
2 United States 30 26.8%
3 Germany 12 10.7%
4 Canada 6 5.4%
5 Hong Kong 5 4.5%
6 Portugal 5 4.5%
7 Russia 4 3.6%
8 Australia 4 3.6%
9 Belgium 3 2.7%
10 Senegal 3 2.7%
11 Taiwan 2 1.8%
12 United Kingdom 2 1.8%
13 Ukraine 1 0.9%
14 Spain 1 0.9%
15 New Zealand 1 0.9%