BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 107 43.3%
2 United States 70 28.3%
3 China 45 18.2%
4 Germany 10 4%
5 France 5 2%
6 Canada 3 1.2%
7 India 2 0.8%
8 Malaysia 1 0.4%
9 Philippines 1 0.4%
10 Russia 1 0.4%
11 United Kingdom 1 0.4%
12 Brazil 1 0.4%