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 71 61.7%
2 China 12 10.4%
3 Russia 8 7%
4 United Kingdom 7 6.1%
5 Netherlands 2 1.7%
6 Czech Republic 2 1.7%
7 Estonia 2 1.7%
8 Australia 2 1.7%
9 Canada 2 1.7%
10 Hong Kong 2 1.7%
11 India 2 1.7%
12 Malaysia 1 0.9%
13 Finland 1 0.9%
14 Ukraine 1 0.9%