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 150 66.1%
2 United States 44 19.4%
3 Germany 19 8.4%
4 Hong Kong 3 1.3%
5 Netherlands 3 1.3%
6 South Africa 2 0.9%
7 United Kingdom 2 0.9%
8 Israel 2 0.9%
9 Mexico 1 0.4%
10 India 1 0.4%