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 203 55.2%
2 United States 50 13.6%
3 Canada 30 8.2%
4 Germany 26 7.1%
5 Taiwan 23 6.2%
6 Hong Kong 11 3%
7 Australia 10 2.7%
8 Czech Republic 4 1.1%
9 United Kingdom 3 0.8%
10 Russia 3 0.8%
11 Japan 2 0.5%
12 Luxembourg 1 0.3%
13 Malaysia 1 0.3%
14 New Zealand 1 0.3%