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 18 26.1%
2 United States 18 26.1%
3 Germany 8 11.6%
4 Canada 7 10.1%
5 Hong Kong 4 5.8%
6 Taiwan 4 5.8%
7 Korea, Republic of 3 4.3%
8 Viet Nam 3 4.3%
9 France 2 2.9%
10 Australia 1 1.4%
11 Japan 1 1.4%