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 262 61.5%
2 United States 68 16%
3 Germany 41 9.6%
4 Canada 14 3.3%
5 Korea, Republic of 11 2.6%
6 Taiwan 7 1.6%
7 United Kingdom 5 1.2%
8 Ireland 5 1.2%
9 Netherlands 4 0.9%
10 Hong Kong 3 0.7%
11 Switzerland 2 0.5%
12 Ukraine 2 0.5%
13 Algeria 1 0.2%
14 Australia 1 0.2%