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
1 634 88.8%
2 China 49 6.9%
3 United States 15 2.1%
4 United Kingdom 4 0.6%
5 Taiwan 3 0.4%
6 Canada 2 0.3%
7 Hong Kong 2 0.3%
8 Japan 1 0.1%
9 Singapore 1 0.1%
10 Spain 1 0.1%
11 Germany 1 0.1%
12 Australia 1 0.1%