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 180 62.9%
2 Germany 43 15%
3 United States 36 12.6%
4 Ireland 6 2.1%
5 Taiwan 5 1.7%
6 Canada 4 1.4%
7 Switzerland 3 1%
8 3 1%
9 United Kingdom 2 0.7%
10 Thailand 1 0.3%
11 Australia 1 0.3%
12 France 1 0.3%
13 Hong Kong 1 0.3%