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 42 41.6%
2 China 36 35.6%
3 Hong Kong 7 6.9%
4 Australia 4 4%
5 Netherlands 3 3%
6 Korea, Republic of 2 2%
7 Singapore 2 2%
8 South Africa 2 2%
9 Sweden 1 1%
10 United Kingdom 1 1%
11 Poland 1 1%