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 61 37.9%
2 United States 39 24.2%
3 Netherlands 18 11.2%
4 Germany 13 8.1%
5 France 7 4.3%
6 Korea, Republic of 5 3.1%
7 Hong Kong 4 2.5%
8 Sweden 4 2.5%
9 Malaysia 3 1.9%
10 Australia 2 1.2%
11 Ireland 2 1.2%
12 Macao 1 0.6%
13 Norway 1 0.6%
14 Singapore 1 0.6%