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 40 55.6%
2 Japan 8 11.1%
3 China 7 9.7%
4 Canada 3 4.2%
5 Malaysia 3 4.2%
6 Netherlands 2 2.8%
7 Australia 2 2.8%
8 Hong Kong 2 2.8%
9 Italy 2 2.8%
10 Singapore 2 2.8%
11 New Zealand 1 1.4%