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 34 41.5%
2 China 21 25.6%
3 Germany 11 13.4%
4 Netherlands 6 7.3%
5 Hong Kong 2 2.4%
6 Japan 2 2.4%
7 Korea, Republic of 1 1.2%
8 Singapore 1 1.2%
9 Spain 1 1.2%
10 Sweden 1 1.2%
11 Australia 1 1.2%
12 Canada 1 1.2%