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 146 37.2%
2 United States 141 35.9%
3 Netherlands 57 14.5%
4 Germany 21 5.3%
5 France 11 2.8%
6 United Kingdom 4 1%
7 Thailand 3 0.8%
8 Italy 2 0.5%
9 Japan 1 0.3%
10 Malaysia 1 0.3%
11 New Zealand 1 0.3%
12 Poland 1 0.3%
13 Hong Kong 1 0.3%
14 India 1 0.3%
15 Ukraine 1 0.3%
16 Brazil 1 0.3%