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 257 48.1%
2 United States 184 34.5%
3 Germany 29 5.4%
4 Taiwan 20 3.7%
5 Canada 10 1.9%
6 Singapore 7 1.3%
7 Sweden 3 0.6%
8 Russia 3 0.6%
9 Australia 3 0.6%
10 Hong Kong 3 0.6%
11 India 2 0.4%
12 Japan 2 0.4%
13 Liechtenstein 2 0.4%
14 Malaysia 2 0.4%
15 Netherlands 2 0.4%
16 Austria 2 0.4%
17 Brazil 2 0.4%
18 United Kingdom 1 0.2%