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 20 37.7%
2 United States 11 20.8%
3 United Kingdom 5 9.4%
4 Canada 2 3.8%
5 Serbia 2 3.8%
6 Czech Republic 2 3.8%
7 France 2 3.8%
8 Germany 2 3.8%
9 Hong Kong 2 3.8%
10 Japan 2 3.8%
11 Malaysia 1 1.9%
12 New Zealand 1 1.9%
13 Taiwan 1 1.9%