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 169 63.8%
2 Germany 39 14.7%
3 United States 24 9.1%
4 Hong Kong 12 4.5%
5 Ireland 4 1.5%
6 Canada 3 1.1%
7 Sweden 3 1.1%
8 Taiwan 2 0.8%
9 Australia 2 0.8%
10 Malaysia 2 0.8%
11 Moldova, Republic of 2 0.8%
12 Norway 1 0.4%
13 Russia 1 0.4%
14 India 1 0.4%