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 200 60.1%
2 United States 59 17.7%
3 Germany 55 16.5%
4 Taiwan 4 1.2%
5 United Kingdom 3 0.9%
6 Netherlands 3 0.9%
7 Canada 2 0.6%
8 Japan 2 0.6%
9 Hong Kong 2 0.6%
10 Israel 1 0.3%
11 Russia 1 0.3%
12 Turkey 1 0.3%