BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 188 63.7%
2 United States 53 18%
3 Germany 22 7.5%
4 Canada 10 3.4%
5 Ireland 7 2.4%
6 Singapore 4 1.4%
7 Lao People's Democratic Republic 2 0.7%
8 Australia 2 0.7%
9 Hong Kong 2 0.7%
10 United Arab Emirates 2 0.7%
11 United Kingdom 2 0.7%
12 Taiwan 1 0.3%