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 162 61.8%
2 United States 69 26.3%
3 Germany 7 2.7%
4 Hong Kong 7 2.7%
5 4 1.5%
6 United Kingdom 3 1.1%
7 Canada 1 0.4%
8 France 1 0.4%
9 Japan 1 0.4%
10 Latvia 1 0.4%
11 Myanmar 1 0.4%
12 Netherlands 1 0.4%
13 Portugal 1 0.4%
14 Switzerland 1 0.4%
15 Taiwan 1 0.4%
16 Thailand 1 0.4%