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 160 71.1%
2 Germany 27 12%
3 United States 24 10.7%
4 Hong Kong 2 0.9%
5 Ireland 2 0.9%
6 Korea, Republic of 2 0.9%
7 Netherlands 2 0.9%
8 New Zealand 2 0.9%
9 Sweden 2 0.9%
10 United Kingdom 1 0.4%
11 Moldova, Republic of 1 0.4%