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 69 39.9%
2 China 51 29.5%
3 Germany 16 9.2%
4 Netherlands 13 7.5%
5 Hong Kong 11 6.4%
6 Taiwan 3 1.7%
7 Singapore 2 1.2%
8 Malaysia 2 1.2%
9 Australia 1 0.6%
10 Portugal 1 0.6%
11 Russia 1 0.6%
12 Ireland 1 0.6%
13 France 1 0.6%
14 United Kingdom 1 0.6%