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 261 69.2%
2 United States 47 12.5%
3 Germany 40 10.6%
4 Hong Kong 11 2.9%
5 Canada 4 1.1%
6 United Kingdom 3 0.8%
7 Philippines 2 0.5%
8 Singapore 2 0.5%
9 Ukraine 2 0.5%
10 Japan 2 0.5%
11 New Zealand 1 0.3%
12 Australia 1 0.3%
13 Czech Republic 1 0.3%