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 United States 63 41.7%
2 China 59 39.1%
3 France 8 5.3%
4 Korea, Republic of 5 3.3%
5 United Kingdom 4 2.6%
6 Germany 4 2.6%
7 Canada 3 2%
8 India 2 1.3%
9 Japan 1 0.7%
10 Moldova, Republic of 1 0.7%
11 Philippines 1 0.7%