BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 122 40.5%
2 United States 76 25.2%
3 Sweden 72 23.9%
4 Germany 10 3.3%
5 Canada 7 2.3%
6 Hong Kong 3 1%
7 Italy 2 0.7%
8 Macao 2 0.7%
9 Netherlands 2 0.7%
10 Russia 2 0.7%
11 Australia 2 0.7%
12 Spain 1 0.3%