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 21 40.4%
2 China 17 32.7%
3 Japan 3 5.8%
4 New Zealand 2 3.8%
5 Pakistan 2 3.8%
6 Venezuela, Bolivarian Republic of 2 3.8%
7 Australia 2 3.8%
8 United Kingdom 2 3.8%
9 Thailand 1 1.9%