BPG致力于知识的发现和传播
Total Visits of This Article
2018 | 总访问次数
排名 国家/地区 数量 占比
1 United States 32 32%
2 China 22 22%
3 Netherlands 22 22%
4 Germany 10 10%
5 Hong Kong 3 3%
6 Taiwan 3 3%
7 France 2 2%
8 United Kingdom 2 2%
9 India 1 1%
10 Ukraine 1 1%
11 New Zealand 1 1%
12 Pakistan 1 1%