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 166 53.9%
2 United States 71 23.1%
3 Germany 33 10.7%
4 Japan 6 1.9%
5 Romania 5 1.6%
6 Singapore 4 1.3%
7 Sweden 3 1%
8 Turkey 3 1%
9 Algeria 3 1%
10 Australia 3 1%
11 Russia 2 0.6%
12 Greece 2 0.6%
13 Hong Kong 2 0.6%
14 India 2 0.6%
15 United Kingdom 2 0.6%
16 Canada 1 0.3%