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 186 40.7%
2 China 110 24.1%
3 Netherlands 60 13.1%
4 Germany 34 7.4%
5 France 23 5%
6 Canada 16 3.5%
7 Hong Kong 9 2%
8 Portugal 7 1.5%
9 4 0.9%
10 Australia 2 0.4%
11 Latvia 2 0.4%
12 Taiwan 1 0.2%
13 United Kingdom 1 0.2%
14 Japan 1 0.2%
15 Korea, Republic of 1 0.2%