BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 20 24.1%
2 United States 16 19.3%
3 Netherlands 15 18.1%
4 Hong Kong 12 14.5%
5 Germany 8 9.6%
6 Norway 3 3.6%
7 France 2 2.4%
8 Australia 2 2.4%
9 United Kingdom 2 2.4%
10 Canada 1 1.2%
11 Singapore 1 1.2%
12 Malaysia 1 1.2%