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 189 43.2%
2 United States 158 36.2%
3 Germany 36 8.2%
4 Hong Kong 18 4.1%
5 Taiwan 9 2.1%
6 Italy 6 1.4%
7 Korea, Republic of 6 1.4%
8 Ireland 5 1.1%
9 Canada 4 0.9%
10 New Zealand 2 0.5%
11 Japan 2 0.5%
12 Russia 1 0.2%
13 United Kingdom 1 0.2%