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 36 40%
2 China 23 25.6%
3 Germany 13 14.4%
4 Netherlands 5 5.6%
5 Republic of Korea 3 3.3%
6 India 3 3.3%
7 Indonesia 1 1.1%
8 Japan 1 1.1%
9 Taiwan 1 1.1%
10 Hong Kong 1 1.1%
11 Ecuador 1 1.1%
12 France 1 1.1%
13 Australia 1 1.1%