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 62 32.1%
2 China 53 27.5%
3 Netherlands 28 14.5%
4 Germany 20 10.4%
5 Hong Kong 11 5.7%
6 Portugal 6 3.1%
7 4 2.1%
8 France 2 1%
9 Canada 2 1%
10 Taiwan 2 1%
11 Bulgaria 1 0.5%
12 Sweden 1 0.5%
13 Ireland 1 0.5%