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 1254 83.9%
2 China 83 5.6%
3 United States 78 5.2%
4 Germany 18 1.2%
5 Singapore 12 0.8%
6 Canada 11 0.7%
7 France 11 0.7%
8 Australia 10 0.7%
9 United Kingdom 6 0.4%
10 Taiwan 4 0.3%
11 Malaysia 3 0.2%
12 Norway 1 0.1%
13 Indonesia 1 0.1%
14 Italy 1 0.1%
15 Japan 1 0.1%