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 20 28.6%
2 United Kingdom 13 18.6%
3 China 13 18.6%
4 Russia 8 11.4%
5 Korea, Republic of 3 4.3%
6 Finland 3 4.3%
7 France 2 2.9%
8 Netherlands 2 2.9%
9 India 2 2.9%
10 Poland 1 1.4%
11 Czech Republic 1 1.4%
12 Germany 1 1.4%
13 Hong Kong 1 1.4%