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 229 43.2%
2 China 150 28.3%
3 Netherlands 71 13.4%
4 Germany 33 6.2%
5 France 16 3%
6 Hong Kong 8 1.5%
7 Canada 7 1.3%
8 Portugal 6 1.1%
9 Senegal 3 0.6%
10 3 0.6%
11 Taiwan 3 0.6%
12 Singapore 1 0.2%