BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 United States 49 53.3%
2 China 20 21.7%
3 France 12 13%
4 Germany 2 2.2%
5 Hong Kong 2 2.2%
6 Norway 2 2.2%
7 Russia 1 1.1%
8 United Kingdom 1 1.1%
9 Czech Republic 1 1.1%
10 Japan 1 1.1%
11 Canada 1 1.1%