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 446 70.1%
2 United States 104 16.4%
3 Germany 33 5.2%
4 Canada 13 2%
5 Singapore 8 1.3%
6 Hong Kong 7 1.1%
7 Japan 7 1.1%
8 Netherlands 5 0.8%
9 Taiwan 4 0.6%
10 Russia 4 0.6%
11 Ukraine 2 0.3%
12 Australia 2 0.3%
13 Nigeria 1 0.2%