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 181 61.4%
2 United States 51 17.3%
3 Germany 27 9.2%
4 Taiwan 15 5.1%
5 Canada 7 2.4%
6 Macao 3 1%
7 Malaysia 2 0.7%
8 Hong Kong 2 0.7%
9 India 2 0.7%
10 Ireland 2 0.7%
11 Philippines 1 0.3%
12 Russia 1 0.3%
13 Switzerland 1 0.3%