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 18 36%
2 China 9 18%
3 Germany 7 14%
4 Netherlands 5 10%
5 United Kingdom 3 6%
6 Canada 1 2%
7 Republic of Korea 1 2%
8 Singapore 1 2%
9 Spain 1 2%
10 Taiwan 1 2%
11 Tanzania 1 2%
12 Israel 1 2%
13 Finland 1 2%