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 176 57.5%
2 Germany 51 16.7%
3 United States 41 13.4%
4 Hong Kong 7 2.3%
5 Netherlands 6 2%
6 Taiwan 4 1.3%
7 United Kingdom 3 1%
8 Viet Nam 3 1%
9 Canada 3 1%
10 India 3 1%
11 Ireland 3 1%
12 Malaysia 2 0.7%
13 Singapore 2 0.7%
14 Switzerland 1 0.3%
15 Korea, Republic of 1 0.3%