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 159 68.8%
2 United States 27 11.7%
3 Germany 18 7.8%
4 Republic of Korea 9 3.9%
5 Romania 3 1.3%
6 India 3 1.3%
7 Malaysia 3 1.3%
8 Peru 2 0.9%
9 Korea, Republic of 2 0.9%
10 Hong Kong 1 0.4%
11 France 1 0.4%
12 Serbia 1 0.4%
13 United Kingdom 1 0.4%
14 Canada 1 0.4%