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 China 156 60%
2 United States 70 26.9%
3 Germany 12 4.6%
4 Taiwan 7 2.7%
5 Japan 5 1.9%
6 Netherlands 3 1.2%
7 Peru 1 0.4%
8 Republic of Korea 1 0.4%
9 Singapore 1 0.4%
10 Hong Kong 1 0.4%
11 Finland 1 0.4%
12 Macao 1 0.4%
13 Malaysia 1 0.4%