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 182 41.2%
2 United States 182 41.2%
3 Germany 39 8.8%
4 Canada 17 3.8%
5 Ireland 9 2%
6 Hong Kong 6 1.4%
7 Australia 3 0.7%
8 Lao People's Democratic Republic 2 0.5%
9 Singapore 2 0.5%