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 1090 85.3%
2 United States 82 6.4%
3 China 51 4%
4 Germany 13 1%
5 United Kingdom 13 1%
6 Hong Kong 8 0.6%
7 France 6 0.5%
8 Norway 3 0.2%
9 Taiwan 3 0.2%
10 Netherlands 2 0.2%
11 Australia 2 0.2%
12 India 2 0.2%
13 Ireland 1 0.1%
14 Japan 1 0.1%
15 Canada 1 0.1%