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 175 62.7%
2 United States 42 15.1%
3 Germany 38 13.6%
4 Australia 5 1.8%
5 Ireland 4 1.4%
6 Russia 4 1.4%
7 Singapore 4 1.4%
8 United Kingdom 2 0.7%
9 Canada 2 0.7%
10 Hong Kong 2 0.7%
11 Japan 1 0.4%