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 39 43.8%
2 United States 21 23.6%
3 Netherlands 9 10.1%
4 Germany 6 6.7%
5 Malaysia 3 3.4%
6 Hong Kong 2 2.2%
7 Italy 2 2.2%
8 Macao 2 2.2%
9 Norway 2 2.2%
10 Singapore 2 2.2%
11 United Kingdom 1 1.1%