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 222 67.5%
2 Germany 43 13.1%
3 United States 36 10.9%
4 Ireland 6 1.8%
5 Taiwan 4 1.2%
6 Canada 4 1.2%
7 Hong Kong 3 0.9%
8 Brazil 2 0.6%
9 Bulgaria 2 0.6%
10 United Kingdom 2 0.6%
11 Netherlands 2 0.6%
12 Russia 1 0.3%
13 Australia 1 0.3%
14 France 1 0.3%