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 212 64.8%
2 United States 49 15%
3 Germany 33 10.1%
4 Canada 15 4.6%
5 Singapore 4 1.2%
6 Switzerland 2 0.6%
7 Taiwan 2 0.6%
8 Malaysia 2 0.6%
9 Hong Kong 2 0.6%
10 India 2 0.6%
11 Latvia 1 0.3%
12 Brazil 1 0.3%
13 Czech Republic 1 0.3%
14 United Kingdom 1 0.3%