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 199 58.5%
2 United States 66 19.4%
3 Germany 29 8.5%
4 Canada 24 7.1%
5 Netherlands 5 1.5%
6 Hong Kong 4 1.2%
7 Ireland 4 1.2%
8 Japan 2 0.6%
9 New Zealand 2 0.6%
10 Singapore 2 0.6%
11 Sweden 1 0.3%
12 Mauritius 1 0.3%
13 Brazil 1 0.3%