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 37 44.6%
2 Netherlands 16 19.3%
3 United States 16 19.3%
4 Germany 6 7.2%
5 Hong Kong 2 2.4%
6 Japan 2 2.4%
7 Czech Republic 2 2.4%
8 Canada 1 1.2%
9 Taiwan 1 1.2%