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 225 54.3%
2 United States 84 20.3%
3 Germany 32 7.7%
4 Korea, Republic of 25 6%
5 Canada 15 3.6%
6 Taiwan 14 3.4%
7 Hong Kong 8 1.9%
8 United Kingdom 2 0.5%
9 Malaysia 2 0.5%
10 Sweden 2 0.5%
11 Singapore 1 0.2%
12 Indonesia 1 0.2%
13 Japan 1 0.2%
14 Austria 1 0.2%
15 Estonia 1 0.2%