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 381 45.1%
2 United States 146 17.3%
3 Finland 115 13.6%
4 Germany 85 10.1%
5 Canada 71 8.4%
6 Macao 20 2.4%
7 Taiwan 8 0.9%
8 Australia 3 0.4%
9 Malaysia 3 0.4%
10 Netherlands 3 0.4%
11 Hong Kong 3 0.4%
12 Iran, Islamic Republic of 3 0.4%
13 Singapore 2 0.2%
14 Sweden 2 0.2%