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 31 34.1%
2 United States 28 30.8%
3 Germany 14 15.4%
4 Netherlands 4 4.4%
5 Hong Kong 3 3.3%
6 Ireland 3 3.3%
7 France 3 3.3%
8 Republic of Korea 2 2.2%
9 Switzerland 1 1.1%
10 Belarus 1 1.1%
11 Canada 1 1.1%