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 273 57.6%
2 China 105 22.2%
3 Germany 30 6.3%
4 France 28 5.9%
5 Netherlands 9 1.9%
6 Republic of Korea 9 1.9%
7 India 7 1.5%
8 Finland 4 0.8%
9 Malaysia 3 0.6%
10 Hong Kong 2 0.4%
11 United Kingdom 2 0.4%
12 Switzerland 1 0.2%
13 Japan 1 0.2%