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 115 55%
2 China 49 23.4%
3 Germany 18 8.6%
4 Hong Kong 6 2.9%
5 United Kingdom 5 2.4%
6 Canada 4 1.9%
7 Korea, Republic of 3 1.4%
8 New Zealand 2 1%
9 Taiwan 2 1%
10 Ukraine 1 0.5%
11 Portugal 1 0.5%
12 France 1 0.5%
13 Italy 1 0.5%
14 Japan 1 0.5%