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 United States 28 28.6%
2 China 27 27.6%
3 Netherlands 25 25.5%
4 Hong Kong 8 8.2%
5 Canada 3 3.1%
6 Singapore 2 2%
7 Czech Republic 2 2%
8 France 1 1%
9 Germany 1 1%
10 Malaysia 1 1%