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 110 62.5%
2 United States 31 17.6%
3 Germany 8 4.5%
4 Hong Kong 7 4%
5 United Kingdom 7 4%
6 Taiwan 3 1.7%
7 France 2 1.1%
8 Malaysia 2 1.1%
9 Netherlands 1 0.6%
10 Portugal 1 0.6%
11 South Africa 1 0.6%
12 Italy 1 0.6%
13 Japan 1 0.6%
14 Canada 1 0.6%