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 53 44.9%
2 United States 19 16.1%
3 Germany 12 10.2%
4 Netherlands 10 8.5%
5 Taiwan 5 4.2%
6 United Kingdom 4 3.4%
7 Macao 3 2.5%
8 Hong Kong 3 2.5%
9 Hungary 3 2.5%
10 France 2 1.7%
11 Australia 1 0.8%
12 Canada 1 0.8%
13 Japan 1 0.8%
14 Singapore 1 0.8%