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 34 43%
2 China 21 26.6%
3 Taiwan 9 11.4%
4 Canada 5 6.3%
5 France 3 3.8%
6 Australia 2 2.5%
7 Belgium 1 1.3%
8 Malaysia 1 1.3%
9 Netherlands 1 1.3%
10 Spain 1 1.3%
11 Sweden 1 1.3%