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 113 35.1%
2 China 92 28.6%
3 55 17.1%
4 France 20 6.2%
5 Germany 20 6.2%
6 United Kingdom 8 2.5%
7 Canada 3 0.9%
8 Europe 3 0.9%
9 Norway 2 0.6%
10 Philippines 1 0.3%
11 India 1 0.3%
12 Jamaica 1 0.3%
13 Korea, Republic of 1 0.3%
14 Australia 1 0.3%
15 Czech Republic 1 0.3%