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 149 55.4%
2 Germany 28 10.4%
3 United States 25 9.3%
4 France 22 8.2%
5 Malaysia 15 5.6%
6 Taiwan 10 3.7%
7 Ireland 5 1.9%
8 Netherlands 4 1.5%
9 Australia 3 1.1%
10 Singapore 3 1.1%
11 Finland 2 0.7%
12 Nigeria 2 0.7%
13 Korea, Republic of 1 0.4%