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 53 44.9%
2 China 27 22.9%
3 Netherlands 9 7.6%
4 Canada 7 5.9%
5 Belgium 5 4.2%
6 Germany 3 2.5%
7 Malaysia 3 2.5%
8 Sweden 3 2.5%
9 Panama 2 1.7%
10 France 2 1.7%
11 Ghana 1 0.8%
12 Hong Kong 1 0.8%
13 Czech Republic 1 0.8%
14 Taiwan 1 0.8%