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 50%
2 China 32 22.5%
3 United Kingdom 11 7.7%
4 Russia 8 5.6%
5 France 6 4.2%
6 India 2 1.4%
7 Moldova, Republic of 2 1.4%
8 Czech Republic 2 1.4%
9 Canada 2 1.4%
10 Finland 2 1.4%
11 Estonia 1 0.7%
12 Germany 1 0.7%
13 Hong Kong 1 0.7%
14 Ukraine 1 0.7%