BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 Germany 32 30.5%
2 31 29.5%
3 United States 13 12.4%
4 China 8 7.6%
5 Russia 6 5.7%
6 Ukraine 3 2.9%
7 United Kingdom 3 2.9%
8 France 3 2.9%
9 Estonia 1 1%
10 Europe 1 1%
11 Hong Kong 1 1%
12 Korea, Republic of 1 1%
13 Poland 1 1%
14 Portugal 1 1%