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 66 39.3%
2 Germany 39 23.2%
3 China 22 13.1%
4 Ukraine 15 8.9%
5 United Kingdom 8 4.8%
6 France 6 3.6%
7 India 4 2.4%
8 Russia 3 1.8%
9 Italy 1 0.6%
10 Moldova, Republic of 1 0.6%
11 Poland 1 0.6%
12 Finland 1 0.6%
13 Hong Kong 1 0.6%