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 253 53.4%
2 United States 99 20.9%
3 Germany 43 9.1%
4 Netherlands 30 6.3%
5 Taiwan 12 2.5%
6 Malaysia 8 1.7%
7 Hong Kong 6 1.3%
8 Italy 5 1.1%
9 Sweden 5 1.1%
10 United Kingdom 3 0.6%
11 Australia 3 0.6%
12 Canada 2 0.4%
13 Denmark 2 0.4%
14 Japan 1 0.2%
15 Russia 1 0.2%
16 Singapore 1 0.2%