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 15 21.1%
2 United States 12 16.9%
3 Netherlands 7 9.9%
4 Canada 7 9.9%
5 Hong Kong 6 8.5%
6 Macao 5 7%
7 France 5 7%
8 Japan 4 5.6%
9 Germany 3 4.2%
10 Norway 3 4.2%
11 Australia 2 2.8%
12 Malaysia 2 2.8%