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 150 56.8%
2 United States 52 19.7%
3 Germany 19 7.2%
4 Netherlands 14 5.3%
5 Hong Kong 6 2.3%
6 Portugal 5 1.9%
7 Senegal 3 1.1%
8 Canada 3 1.1%
9 India 3 1.1%
10 3 1.1%
11 Australia 1 0.4%
12 Finland 1 0.4%
13 Ireland 1 0.4%
14 Macao 1 0.4%
15 Sweden 1 0.4%
16 Russia 1 0.4%