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 148 67%
2 United States 49 22.2%
3 Singapore 4 1.8%
4 United Kingdom 4 1.8%
5 Canada 3 1.4%
6 Slovakia 3 1.4%
7 Switzerland 3 1.4%
8 Germany 3 1.4%
9 Hong Kong 2 0.9%
10 Netherlands 2 0.9%