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 206 52.2%
2 United States 77 19.5%
3 Germany 40 10.1%
4 Netherlands 32 8.1%
5 Hong Kong 12 3%
6 Canada 7 1.8%
7 Taiwan 6 1.5%
8 Japan 3 0.8%
9 France 3 0.8%
10 Greece 3 0.8%
11 United Kingdom 2 0.5%
12 Singapore 2 0.5%
13 India 1 0.3%
14 Australia 1 0.3%