BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 20 28.6%
2 China 12 17.1%
3 Canada 9 12.9%
4 Taiwan 8 11.4%
5 Netherlands 4 5.7%
6 Australia 4 5.7%
7 Japan 4 5.7%
8 France 3 4.3%
9 Germany 3 4.3%
10 Hong Kong 1 1.4%
11 Malaysia 1 1.4%
12 Singapore 1 1.4%