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 12 26.1%
2 United States 12 26.1%
3 Germany 6 13%
4 Singapore 5 10.9%
5 Japan 3 6.5%
6 Canada 2 4.3%
7 United Kingdom 2 4.3%
8 Australia 1 2.2%
9 France 1 2.2%
10 New Zealand 1 2.2%
11 Hong Kong 1 2.2%