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 China 105 38.5%
2 74 27.1%
3 United States 51 18.7%
4 Germany 16 5.9%
5 France 10 3.7%
6 Europe 5 1.8%
7 Canada 3 1.1%
8 Netherlands 3 1.1%
9 Norway 2 0.7%
10 Philippines 1 0.4%
11 United Kingdom 1 0.4%
12 India 1 0.4%
13 Korea, Republic of 1 0.4%