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 173 58.2%
2 China 41 13.8%
3 27 9.1%
4 Germany 23 7.7%
5 France 15 5.1%
6 Netherlands 4 1.3%
7 Belgium 2 0.7%
8 Greece 2 0.7%
9 Colombia 2 0.7%
10 Finland 1 0.3%
11 Australia 1 0.3%
12 India 1 0.3%
13 Poland 1 0.3%
14 Republic of Korea 1 0.3%
15 Russia 1 0.3%
16 Singapore 1 0.3%
17 Spain 1 0.3%