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 466 43.1%
2 Netherlands 215 19.9%
3 United States 197 18.2%
4 Germany 76 7%
5 France 68 6.3%
6 Canada 18 1.7%
7 Sweden 18 1.7%
8 United Kingdom 6 0.6%
9 Taiwan 5 0.5%
10 Korea, Republic of 5 0.5%
11 Singapore 2 0.2%
12 Hong Kong 2 0.2%
13 India 1 0.1%
14 Norway 1 0.1%
15 Czech Republic 1 0.1%
16 Finland 1 0.1%