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 15 34.1%
2 China 8 18.2%
3 Netherlands 5 11.4%
4 Australia 3 6.8%
5 Singapore 3 6.8%
6 Canada 2 4.5%
7 Hong Kong 2 4.5%
8 Malaysia 2 4.5%
9 Mongolia 1 2.3%
10 Norway 1 2.3%
11 Japan 1 2.3%
12 United Kingdom 1 2.3%