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 58 39.2%
2 United States 39 26.4%
3 Netherlands 14 9.5%
4 Taiwan 11 7.4%
5 Germany 8 5.4%
6 Hong Kong 5 3.4%
7 United Kingdom 3 2%
8 Sweden 2 1.4%
9 Japan 2 1.4%
10 Canada 2 1.4%
11 Australia 1 0.7%
12 France 1 0.7%
13 Malaysia 1 0.7%
14 Portugal 1 0.7%