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 477 52%
2 Netherlands 156 17%
3 United States 136 14.8%
4 Germany 83 9%
5 Canada 18 2%
6 Sweden 15 1.6%
7 Hong Kong 6 0.7%
8 France 5 0.5%
9 Taiwan 4 0.4%
10 Australia 4 0.4%
11 India 3 0.3%
12 United Kingdom 3 0.3%
13 Russia 2 0.2%
14 Belgium 2 0.2%
15 Finland 1 0.1%
16 Ireland 1 0.1%
17 Israel 1 0.1%
18 Singapore 1 0.1%