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 8 27.6%
2 China 7 24.1%
3 Germany 4 13.8%
4 Australia 2 6.9%
5 Canada 2 6.9%
6 Hong Kong 1 3.4%
7 Japan 1 3.4%
8 New Zealand 1 3.4%
9 Poland 1 3.4%
10 Russia 1 3.4%
11 Taiwan 1 3.4%