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 310 62.2%
2 United States 102 20.5%
3 Netherlands 29 5.8%
4 Germany 20 4%
5 Taiwan 12 2.4%
6 France 6 1.2%
7 Japan 5 1%
8 United Kingdom 4 0.8%
9 Romania 3 0.6%
10 Thailand 1 0.2%
11 Canada 1 0.2%
12 Lithuania 1 0.2%
13 Malaysia 1 0.2%
14 Hong Kong 1 0.2%
15 India 1 0.2%
16 Iraq 1 0.2%