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 United States 214 43%
2 China 134 26.9%
3 Netherlands 59 11.8%
4 Germany 41 8.2%
5 France 21 4.2%
6 Hong Kong 7 1.4%
7 Portugal 7 1.4%
8 Canada 6 1.2%
9 Senegal 4 0.8%
10 Taiwan 3 0.6%
11 United Kingdom 1 0.2%
12 Russia 1 0.2%