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 19 40.4%
2 China 9 19.1%
3 Canada 4 8.5%
4 Malaysia 4 8.5%
5 Germany 3 6.4%
6 Korea, Republic of 2 4.3%
7 Macao 2 4.3%
8 Singapore 2 4.3%
9 United Kingdom 1 2.1%
10 Dominican Republic 1 2.1%