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 117 39.9%
2 China 102 34.8%
3 Germany 18 6.1%
4 India 16 5.5%
5 France 16 5.5%
6 Netherlands 7 2.4%
7 Republic of Korea 4 1.4%
8 Malaysia 4 1.4%
9 Russia 2 0.7%
10 Spain 1 0.3%
11 Thailand 1 0.3%
12 Turkey 1 0.3%
13 Japan 1 0.3%
14 Finland 1 0.3%
15 Australia 1 0.3%
16 Bolivia 1 0.3%