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 58 42.6%
2 China 37 27.2%
3 Germany 8 5.9%
4 Korea, Republic of 7 5.1%
5 Hong Kong 6 4.4%
6 Netherlands 6 4.4%
7 United Kingdom 5 3.7%
8 Australia 2 1.5%
9 Malaysia 1 0.7%
10 Portugal 1 0.7%
11 Sweden 1 0.7%
12 Taiwan 1 0.7%
13 Indonesia 1 0.7%
14 Czech Republic 1 0.7%
15 France 1 0.7%