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 152 40.2%
2 China 122 32.3%
3 Netherlands 47 12.4%
4 Germany 24 6.3%
5 France 13 3.4%
6 India 4 1.1%
7 Taiwan 4 1.1%
8 United Kingdom 4 1.1%
9 Japan 3 0.8%
10 Sweden 1 0.3%
11 Ghana 1 0.3%
12 Hong Kong 1 0.3%
13 Canada 1 0.3%
14 Ukraine 1 0.3%