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 448 68.5%
2 United States 77 11.8%
3 Germany 43 6.6%
4 Netherlands 21 3.2%
5 Hong Kong 17 2.6%
6 Taiwan 16 2.4%
7 Singapore 8 1.2%
8 Canada 7 1.1%
9 Australia 5 0.8%
10 Japan 4 0.6%
11 Sweden 3 0.5%
12 Russia 2 0.3%
13 Macao 2 0.3%
14 France 1 0.2%