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 22 28.9%
2 China 16 21.1%
3 Germany 16 21.1%
4 Japan 4 5.3%
5 Netherlands 3 3.9%
6 India 3 3.9%
7 Canada 2 2.6%
8 Malaysia 2 2.6%
9 Republic of Korea 2 2.6%
10 Sweden 1 1.3%
11 Ukraine 1 1.3%
12 United Kingdom 1 1.3%
13 Australia 1 1.3%
14 New Zealand 1 1.3%
15 Korea, Republic of 1 1.3%