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 161 56.3%
2 United States 53 18.5%
3 Germany 43 15%
4 Taiwan 6 2.1%
5 Hong Kong 4 1.4%
6 Canada 4 1.4%
7 Russia 4 1.4%
8 Turkey 3 1%
9 Ukraine 3 1%
10 United Kingdom 2 0.7%
11 India 2 0.7%
12 Norway 1 0.3%