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 62 36%
2 China 43 25%
3 Netherlands 22 12.8%
4 Sweden 9 5.2%
5 Canada 8 4.7%
6 Germany 6 3.5%
7 Taiwan 4 2.3%
8 Portugal 4 2.3%
9 Malaysia 3 1.7%
10 Japan 2 1.2%
11 Cote D'ivoire 2 1.2%
12 New Zealand 2 1.2%
13 Panama 2 1.2%
14 Dominican Republic 1 0.6%
15 Brazil 1 0.6%
16 India 1 0.6%