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 40 43.5%
2 United States 31 33.7%
3 Taiwan 5 5.4%
4 Germany 4 4.3%
5 Hong Kong 3 3.3%
6 Japan 3 3.3%
7 Finland 2 2.2%
8 France 1 1.1%
9 United Kingdom 1 1.1%
10 Netherlands 1 1.1%
11 South Africa 1 1.1%