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 156 44.8%
2 United States 97 27.9%
3 Germany 32 9.2%
4 Taiwan 24 6.9%
5 Canada 13 3.7%
6 Japan 8 2.3%
7 Netherlands 4 1.1%
8 Russia 2 0.6%
9 Singapore 2 0.6%
10 South Africa 2 0.6%
11 Macao 2 0.6%
12 Malaysia 2 0.6%
13 Czech Republic 2 0.6%
14 Finland 1 0.3%
15 Argentina 1 0.3%