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 32 45.7%
2 United Kingdom 17 24.3%
3 Russia 6 8.6%
4 China 4 5.7%
5 India 2 2.9%
6 Canada 2 2.9%
7 Netherlands 2 2.9%
8 Moldova, Republic of 1 1.4%
9 Estonia 1 1.4%
10 Germany 1 1.4%
11 Hong Kong 1 1.4%
12 Ukraine 1 1.4%