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 42 45.7%
2 China 18 19.6%
3 Germany 10 10.9%
4 Netherlands 6 6.5%
5 Malaysia 4 4.3%
6 Republic of Korea 2 2.2%
7 Singapore 2 2.2%
8 Canada 2 2.2%
9 Hong Kong 2 2.2%
10 India 1 1.1%
11 Chile 1 1.1%
12 Peru 1 1.1%
13 Switzerland 1 1.1%