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 85 39.7%
2 United States 54 25.2%
3 Netherlands 17 7.9%
4 Germany 13 6.1%
5 Hong Kong 8 3.7%
6 Portugal 5 2.3%
7 United Kingdom 5 2.3%
8 Canada 4 1.9%
9 Korea, Republic of 4 1.9%
10 3 1.4%
11 Senegal 3 1.4%
12 Taiwan 3 1.4%
13 Nigeria 3 1.4%
14 Australia 2 0.9%
15 Hungary 2 0.9%
16 Indonesia 1 0.5%
17 Japan 1 0.5%
18 Russia 1 0.5%