BPG致力于知识的发现和传播
Total Visits of This Article
2017 | 总访问次数
排名 国家/地区 数量 占比
1 United States 16 32.7%
2 China 7 14.3%
3 Netherlands 6 12.2%
4 Japan 5 10.2%
5 Senegal 4 8.2%
6 Republic of Korea 3 6.1%
7 Greece 3 6.1%
8 India 1 2%
9 Iran, Islamic Republic of 1 2%
10 France 1 2%
11 Russia 1 2%
12 Korea, Republic of 1 2%