BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 17 32.7%
2 United States 9 17.3%
3 Canada 5 9.6%
4 Japan 4 7.7%
5 United Kingdom 4 7.7%
6 Hong Kong 3 5.8%
7 Taiwan 3 5.8%
8 Netherlands 2 3.8%
9 Australia 2 3.8%
10 France 2 3.8%
11 Germany 1 1.9%