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 230 53.6%
2 United States 87 20.3%
3 Germany 36 8.4%
4 Netherlands 34 7.9%
5 Canada 22 5.1%
6 Ireland 9 2.1%
7 Japan 2 0.5%
8 Singapore 2 0.5%
9 Hong Kong 2 0.5%
10 United Kingdom 2 0.5%
11 Brazil 1 0.2%
12 Taiwan 1 0.2%
13 Macao 1 0.2%