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 25 36.2%
2 United Kingdom 15 21.7%
3 China 10 14.5%
4 Russia 5 7.2%
5 Hong Kong 3 4.3%
6 India 2 2.9%
7 Czech Republic 2 2.9%
8 Estonia 2 2.9%
9 Finland 1 1.4%
10 France 1 1.4%
11 Moldova, Republic of 1 1.4%
12 Turkey 1 1.4%
13 Ukraine 1 1.4%