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 280 42.6%
2 China 213 32.4%
3 Germany 49 7.4%
4 Netherlands 48 7.3%
5 France 21 3.2%
6 Hong Kong 14 2.1%
7 Canada 12 1.8%
8 Portugal 7 1.1%
9 5 0.8%
10 United Kingdom 4 0.6%
11 Iran, Islamic Republic of 2 0.3%
12 Japan 1 0.2%
13 Finland 1 0.2%
14 Taiwan 1 0.2%