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 156 59.5%
2 United States 57 21.8%
3 Germany 33 12.6%
4 Ireland 3 1.1%
5 Netherlands 3 1.1%
6 Taiwan 2 0.8%
7 Australia 2 0.8%
8 Moldova, Republic of 2 0.8%
9 Hong Kong 2 0.8%
10 Lithuania 1 0.4%
11 Malaysia 1 0.4%