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 303 50.4%
2 China 175 29.1%
3 Netherlands 40 6.7%
4 France 32 5.3%
5 Germany 26 4.3%
6 Finland 5 0.8%
7 Romania 4 0.7%
8 Ukraine 4 0.7%
9 United Kingdom 3 0.5%
10 Brazil 2 0.3%
11 Republic of Korea 2 0.3%
12 India 1 0.2%
13 Israel 1 0.2%
14 Malaysia 1 0.2%
15 Mexico 1 0.2%
16 Thailand 1 0.2%