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 145 48%
2 United States 56 18.5%
3 Germany 47 15.6%
4 Hong Kong 16 5.3%
5 Taiwan 13 4.3%
6 Canada 7 2.3%
7 Australia 3 1%
8 Japan 3 1%
9 Malaysia 3 1%
10 Netherlands 3 1%
11 Singapore 2 0.7%
12 South Africa 2 0.7%
13 Ukraine 1 0.3%
14 United Kingdom 1 0.3%