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 51 56%
2 Germany 12 13.2%
3 China 10 11%
4 Netherlands 6 6.6%
5 Hong Kong 2 2.2%
6 2 2.2%
7 Congo 1 1.1%
8 Ireland 1 1.1%
9 Japan 1 1.1%
10 Republic of Korea 1 1.1%
11 Singapore 1 1.1%
12 Sweden 1 1.1%
13 Taiwan 1 1.1%
14 United Kingdom 1 1.1%