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 38 34.5%
2 China 31 28.2%
3 Netherlands 9 8.2%
4 Sweden 8 7.3%
5 Malaysia 7 6.4%
6 Hong Kong 5 4.5%
7 Germany 3 2.7%
8 United Kingdom 3 2.7%
9 New Zealand 3 2.7%
10 Singapore 3 2.7%