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 48 31%
2 United States 27 17.4%
3 Germany 16 10.3%
4 India 16 10.3%
5 Netherlands 12 7.7%
6 Korea, Republic of 8 5.2%
7 Hong Kong 8 5.2%
8 Taiwan 7 4.5%
9 Sweden 5 3.2%
10 France 5 3.2%
11 Ireland 2 1.3%
12 Malaysia 1 0.6%