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 31 41.9%
2 United Kingdom 12 16.2%
3 China 9 12.2%
4 Russia 6 8.1%
5 France 3 4.1%
6 Netherlands 3 4.1%
7 India 2 2.7%
8 Estonia 2 2.7%
9 Ukraine 2 2.7%
10 Germany 1 1.4%
11 Hong Kong 1 1.4%
12 Moldova, Republic of 1 1.4%
13 Poland 1 1.4%