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 181 42.6%
2 China 129 30.4%
3 Netherlands 42 9.9%
4 Germany 28 6.6%
5 France 22 5.2%
6 Ukraine 4 0.9%
7 United Kingdom 4 0.9%
8 Romania 4 0.9%
9 Russia 1 0.2%
10 Taiwan 1 0.2%
11 Thailand 1 0.2%
12 Republic of Korea 1 0.2%
13 Hong Kong 1 0.2%
14 India 1 0.2%
15 Japan 1 0.2%
16 Malaysia 1 0.2%
17 Finland 1 0.2%
18 Belgium 1 0.2%
19 Brazil 1 0.2%