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 272 68.7%
2 United States 39 9.8%
3 Germany 24 6.1%
4 Hong Kong 13 3.3%
5 Taiwan 13 3.3%
6 Canada 11 2.8%
7 Ireland 5 1.3%
8 Japan 3 0.8%
9 Czech Republic 2 0.5%
10 Austria 2 0.5%
11 Russia 2 0.5%
12 Singapore 2 0.5%
13 Thailand 2 0.5%
14 Turkey 1 0.3%
15 Denmark 1 0.3%
16 Estonia 1 0.3%
17 Malaysia 1 0.3%
18 Netherlands 1 0.3%
19 Philippines 1 0.3%