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 48 66.7%
2 Germany 8 11.1%
3 United States 6 8.3%
4 Taiwan 3 4.2%
5 Singapore 2 2.8%
6 Canada 2 2.8%
7 Australia 1 1.4%
8 Hong Kong 1 1.4%
9 New Zealand 1 1.4%