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 30 19.2%
2 United States 28 17.9%
3 Netherlands 26 16.7%
4 Germany 21 13.5%
5 Canada 8 5.1%
6 Sweden 8 5.1%
7 France 6 3.8%
8 Malaysia 5 3.2%
9 Czech Republic 4 2.6%
10 Hong Kong 4 2.6%
11 4 2.6%
12 Australia 4 2.6%
13 Singapore 3 1.9%
14 New Zealand 2 1.3%
15 Switzerland 1 0.6%
16 Taiwan 1 0.6%
17 Cote D'ivoire 1 0.6%