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 33 37.5%
2 China 24 27.3%
3 United Kingdom 9 10.2%
4 Russia 6 6.8%
5 France 4 4.5%
6 Ukraine 3 3.4%
7 Estonia 2 2.3%
8 Hong Kong 2 2.3%
9 India 1 1.1%
10 Moldova, Republic of 1 1.1%
11 Netherlands 1 1.1%
12 Poland 1 1.1%
13 United Arab Emirates 1 1.1%