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 36 38.7%
2 China 25 26.9%
3 Germany 10 10.8%
4 Hong Kong 7 7.5%
5 France 5 5.4%
6 Czech Republic 4 4.3%
7 Chile 2 2.2%
8 India 1 1.1%
9 Japan 1 1.1%
10 Singapore 1 1.1%
11 United Kingdom 1 1.1%