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 189 47%
2 United States 141 35.1%
3 Germany 31 7.7%
4 Taiwan 12 3%
5 Ireland 7 1.7%
6 Japan 5 1.2%
7 Netherlands 5 1.2%
8 Hong Kong 3 0.7%
9 Canada 3 0.7%
10 Australia 2 0.5%
11 New Zealand 2 0.5%
12 Russia 2 0.5%