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 834 61.8%
2 United States 214 15.9%
3 Netherlands 168 12.5%
4 Germany 51 3.8%
5 France 33 2.4%
6 Canada 19 1.4%
7 Hong Kong 10 0.7%
8 Japan 5 0.4%
9 Singapore 4 0.3%
10 Australia 3 0.2%
11 Argentina 2 0.1%
12 Russia 2 0.1%
13 Sweden 1 0.1%
14 Switzerland 1 0.1%
15 Czech Republic 1 0.1%
16 Finland 1 0.1%