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 430 37.8%
2 United States 428 37.6%
3 Netherlands 104 9.1%
4 Germany 60 5.3%
5 France 53 4.7%
6 Canada 13 1.1%
7 Hong Kong 12 1.1%
8 United Kingdom 10 0.9%
9 Taiwan 7 0.6%
10 Portugal 7 0.6%
11 6 0.5%
12 Senegal 4 0.4%
13 Japan 2 0.2%
14 Korea, Republic of 1 0.1%
15 Malaysia 1 0.1%
16 Sweden 1 0.1%