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 182 59.7%
2 United States 50 16.4%
3 Germany 29 9.5%
4 Canada 22 7.2%
5 United Kingdom 6 2%
6 Australia 4 1.3%
7 South Africa 2 0.7%
8 Sweden 2 0.7%
9 Hong Kong 2 0.7%
10 Israel 2 0.7%
11 Korea, Republic of 2 0.7%
12 Malaysia 1 0.3%
13 Singapore 1 0.3%