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 215 49.3%
2 United States 132 30.3%
3 Germany 28 6.4%
4 Hong Kong 14 3.2%
5 Taiwan 9 2.1%
6 Canada 6 1.4%
7 Japan 6 1.4%
8 Australia 5 1.1%
9 Russia 5 1.1%
10 Singapore 5 1.1%
11 Macao 3 0.7%
12 Nigeria 2 0.5%
13 Switzerland 2 0.5%
14 France 2 0.5%
15 Bangladesh 1 0.2%
16 Finland 1 0.2%