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 124 49.6%
2 United States 60 24%
3 Germany 40 16%
4 Netherlands 6 2.4%
5 Taiwan 5 2%
6 Australia 3 1.2%
7 Singapore 2 0.8%
8 Japan 2 0.8%
9 Malaysia 2 0.8%
10 United Kingdom 2 0.8%
11 Thailand 1 0.4%
12 Ukraine 1 0.4%
13 1 0.4%
14 Hong Kong 1 0.4%