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 28 41.8%
2 United States 10 14.9%
3 Germany 5 7.5%
4 Netherlands 4 6%
5 Hong Kong 3 4.5%
6 Ireland 3 4.5%
7 Japan 3 4.5%
8 Canada 3 4.5%
9 Finland 2 3%
10 Korea, Republic of 2 3%
11 India 1 1.5%
12 Brazil 1 1.5%
13 Taiwan 1 1.5%
14 Turkey 1 1.5%