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 226 59.2%
2 United States 66 17.3%
3 Germany 32 8.4%
4 Canada 24 6.3%
5 Taiwan 10 2.6%
6 Hong Kong 4 1%
7 Macao 4 1%
8 Poland 3 0.8%
9 Singapore 3 0.8%
10 Netherlands 2 0.5%
11 Indonesia 2 0.5%
12 Finland 2 0.5%
13 2 0.5%
14 Austria 1 0.3%
15 Malaysia 1 0.3%