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 192 60.4%
2 United States 51 16%
3 Germany 31 9.7%
4 Canada 19 6%
5 Singapore 7 2.2%
6 Hong Kong 6 1.9%
7 Netherlands 5 1.6%
8 Viet Nam 3 0.9%
9 Australia 2 0.6%
10 France 1 0.3%
11 Norway 1 0.3%