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 173 65%
2 United States 34 12.8%
3 Germany 31 11.7%
4 Taiwan 8 3%
5 Malaysia 4 1.5%
6 Macao 3 1.1%
7 Singapore 3 1.1%
8 Russia 2 0.8%
9 United Kingdom 2 0.8%
10 Netherlands 2 0.8%
11 Norway 1 0.4%
12 Canada 1 0.4%
13 India 1 0.4%
14 Estonia 1 0.4%