BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 United States 33 42.9%
2 Germany 12 15.6%
3 China 11 14.3%
4 Sweden 8 10.4%
5 Hong Kong 5 6.5%
6 Korea, Republic of 5 6.5%
7 Netherlands 1 1.3%
8 Singapore 1 1.3%
9 South Africa 1 1.3%