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 176 54.2%
2 United States 64 19.7%
3 Germany 38 11.7%
4 Hong Kong 14 4.3%
5 Canada 10 3.1%
6 Taiwan 10 3.1%
7 United Kingdom 4 1.2%
8 Malaysia 2 0.6%
9 France 2 0.6%
10 Australia 2 0.6%
11 Brazil 2 0.6%
12 Singapore 1 0.3%