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 39 43.3%
2 China 17 18.9%
3 United Kingdom 15 16.7%
4 Russia 8 8.9%
5 India 2 2.2%
6 France 2 2.2%
7 Germany 1 1.1%
8 Hong Kong 1 1.1%
9 Estonia 1 1.1%
10 Moldova, Republic of 1 1.1%
11 Poland 1 1.1%
12 Singapore 1 1.1%
13 Ukraine 1 1.1%