BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 130 53.5%
2 China 75 30.9%
3 Germany 14 5.8%
4 Canada 6 2.5%
5 Hong Kong 5 2.1%
6 Japan 3 1.2%
7 Taiwan 3 1.2%
8 Australia 2 0.8%
9 Ukraine 1 0.4%
10 United Kingdom 1 0.4%
11 Macao 1 0.4%
12 Netherlands 1 0.4%
13 Portugal 1 0.4%