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 123 53.7%
2 Germany 41 17.9%
3 United States 40 17.5%
4 Canada 5 2.2%
5 Malaysia 4 1.7%
6 Taiwan 4 1.7%
7 Hong Kong 3 1.3%
8 Singapore 2 0.9%
9 Australia 2 0.9%
10 France 2 0.9%
11 Turkey 1 0.4%
12 Ukraine 1 0.4%
13 United Kingdom 1 0.4%