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 18 36.7%
2 United States 13 26.5%
3 Germany 4 8.2%
4 Hong Kong 2 4.1%
5 Australia 2 4.1%
6 Canada 2 4.1%
7 New Zealand 2 4.1%
8 Singapore 2 4.1%
9 Tanzania, United Republic of 2 4.1%
10 Ireland 1 2%
11 Malaysia 1 2%