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 United States 97 48.7%
2 China 80 40.2%
3 Canada 6 3%
4 Germany 5 2.5%
5 Korea, Republic of 2 1%
6 Netherlands 2 1%
7 Switzerland 2 1%
8 Turkey 1 0.5%
9 Spain 1 0.5%
10 Sweden 1 0.5%
11 Hong Kong 1 0.5%
12 Italy 1 0.5%