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 125 39.8%
2 China 71 22.6%
3 Netherlands 59 18.8%
4 Germany 25 8%
5 France 14 4.5%
6 Japan 6 1.9%
7 United Kingdom 4 1.3%
8 Singapore 2 0.6%
9 India 2 0.6%
10 Israel 1 0.3%
11 Malaysia 1 0.3%
12 Hong Kong 1 0.3%
13 Spain 1 0.3%
14 Ukraine 1 0.3%
15 Canada 1 0.3%