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 122 64.6%
2 United States 33 17.5%
3 Germany 19 10.1%
4 Hong Kong 4 2.1%
5 Ireland 2 1.1%
6 Malaysia 2 1.1%
7 Canada 2 1.1%
8 South Africa 2 1.1%
9 United Kingdom 2 1.1%
10 Mauritius 1 0.5%