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 236 59.6%
2 United States 92 23.2%
3 Germany 35 8.8%
4 Taiwan 9 2.3%
5 Singapore 4 1%
6 4 1%
7 Canada 3 0.8%
8 Netherlands 3 0.8%
9 United Kingdom 2 0.5%
10 Denmark 2 0.5%
11 Hong Kong 2 0.5%
12 Japan 1 0.3%
13 Malaysia 1 0.3%
14 Romania 1 0.3%
15 Ukraine 1 0.3%