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 272 72.3%
2 United States 35 9.3%
3 Germany 29 7.7%
4 Hong Kong 10 2.7%
5 Singapore 9 2.4%
6 Ireland 6 1.6%
7 Canada 4 1.1%
8 Korea, Republic of 3 0.8%
9 Netherlands 2 0.5%
10 Israel 2 0.5%
11 Japan 2 0.5%
12 Australia 1 0.3%
13 India 1 0.3%