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 19 42.2%
2 United States 10 22.2%
3 Germany 5 11.1%
4 Hong Kong 2 4.4%
5 Hungary 2 4.4%
6 Singapore 2 4.4%
7 Australia 2 4.4%
8 Canada 2 4.4%
9 Japan 1 2.2%