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 38 41.8%
2 Singapore 24 26.4%
3 Russia 11 12.1%
4 United Kingdom 6 6.6%
5 France 4 4.4%
6 Germany 3 3.3%
7 Moldova, Republic of 1 1.1%
8 Netherlands 1 1.1%
9 Ukraine 1 1.1%
10 Canada 1 1.1%
11 China 1 1.1%