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 78 40.2%
2 United States 66 34%
3 Germany 14 7.2%
4 Korea, Republic of 14 7.2%
5 Japan 5 2.6%
6 Hong Kong 4 2.1%
7 Netherlands 4 2.1%
8 Sweden 2 1%
9 Taiwan 1 0.5%
10 Thailand 1 0.5%
11 United Kingdom 1 0.5%
12 Portugal 1 0.5%
13 Singapore 1 0.5%
14 Macao 1 0.5%
15 Canada 1 0.5%