BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 25 38.5%
2 Germany 12 18.5%
3 China 8 12.3%
4 France 5 7.7%
5 Hong Kong 4 6.2%
6 Japan 3 4.6%
7 United Kingdom 3 4.6%
8 Czech Republic 2 3.1%
9 New Zealand 2 3.1%
10 Singapore 1 1.5%