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
1 439 77.3%
2 United States 66 11.6%
3 China 39 6.9%
4 Germany 9 1.6%
5 France 6 1.1%
6 United Kingdom 3 0.5%
7 Japan 1 0.2%
8 Moldova, Republic of 1 0.2%
9 New Zealand 1 0.2%
10 Estonia 1 0.2%
11 Australia 1 0.2%
12 Canada 1 0.2%