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 132 56.2%
2 United States 37 15.7%
3 Germany 30 12.8%
4 Canada 18 7.7%
5 Australia 8 3.4%
6 Belgium 2 0.9%
7 Singapore 2 0.9%
8 Hong Kong 2 0.9%
9 India 2 0.9%
10 Norway 1 0.4%
11 United Kingdom 1 0.4%