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 China 32 32.3%
2 United States 31 31.3%
3 Germany 11 11.1%
4 Hong Kong 10 10.1%
5 Australia 3 3%
6 Canada 3 3%
7 Russia 2 2%
8 Taiwan 2 2%
9 United Kingdom 2 2%
10 Ireland 1 1%
11 Japan 1 1%
12 Portugal 1 1%