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
1 721 74.9%
2 United States 117 12.2%
3 China 77 8%
4 France 17 1.8%
5 Germany 15 1.6%
6 Norway 3 0.3%
7 Taiwan 3 0.3%
8 United Kingdom 3 0.3%
9 India 2 0.2%
10 Japan 1 0.1%
11 Canada 1 0.1%
12 Hong Kong 1 0.1%
13 Poland 1 0.1%