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 37 39.4%
2 China 21 22.3%
3 United Kingdom 15 16%
4 Russia 9 9.6%
5 Taiwan 2 2.1%
6 Ukraine 2 2.1%
7 India 2 2.1%
8 Estonia 2 2.1%
9 France 1 1.1%
10 Germany 1 1.1%
11 Hong Kong 1 1.1%
12 Moldova, Republic of 1 1.1%