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 60 53.1%
2 Germany 15 13.3%
3 United States 14 12.4%
4 Taiwan 7 6.2%
5 Hong Kong 4 3.5%
6 Canada 3 2.7%
7 Australia 2 1.8%
8 Korea, Republic of 2 1.8%
9 Ireland 2 1.8%
10 Israel 2 1.8%
11 Japan 1 0.9%
12 Russia 1 0.9%