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 188 60.3%
2 United States 45 14.4%
3 Germany 44 14.1%
4 Hong Kong 12 3.8%
5 Taiwan 6 1.9%
6 Macao 4 1.3%
7 Canada 3 1%
8 Sweden 3 1%
9 Australia 2 0.6%
10 Malaysia 2 0.6%
11 Russia 1 0.3%
12 Ukraine 1 0.3%
13 Viet Nam 1 0.3%