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 29 56.9%
2 China 5 9.8%
3 Germany 4 7.8%
4 United Kingdom 2 3.9%
5 France 2 3.9%
6 Republic of Korea 2 3.9%
7 Slovenia 2 3.9%
8 Spain 1 2%
9 Ukraine 1 2%
10 Brazil 1 2%
11 Colombia 1 2%
12 Italy 1 2%