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 41 38.7%
2 China 27 25.5%
3 United Kingdom 13 12.3%
4 Russia 9 8.5%
5 Czech Republic 2 1.9%
6 Estonia 2 1.9%
7 France 2 1.9%
8 Hong Kong 2 1.9%
9 India 2 1.9%
10 Moldova, Republic of 2 1.9%
11 Netherlands 1 0.9%
12 Poland 1 0.9%
13 Germany 1 0.9%
14 Australia 1 0.9%