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 168 47.1%
2 United States 127 35.6%
3 Germany 26 7.3%
4 Canada 18 5%
5 Japan 6 1.7%
6 United Kingdom 4 1.1%
7 India 2 0.6%
8 Australia 2 0.6%
9 Hong Kong 1 0.3%
10 Korea, Republic of 1 0.3%
11 Netherlands 1 0.3%
12 Singapore 1 0.3%