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 249 63.8%
2 United States 57 14.6%
3 Germany 30 7.7%
4 Hong Kong 23 5.9%
5 Taiwan 8 2.1%
6 Japan 7 1.8%
7 Russia 6 1.5%
8 South Africa 3 0.8%
9 Finland 3 0.8%
10 Canada 2 0.5%
11 Turkey 1 0.3%
12 United Kingdom 1 0.3%