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 190 59.9%
2 United States 59 18.6%
3 Germany 31 9.8%
4 Canada 11 3.5%
5 Hong Kong 5 1.6%
6 Malaysia 4 1.3%
7 India 3 0.9%
8 Singapore 3 0.9%
9 Spain 2 0.6%
10 Switzerland 2 0.6%
11 Romania 2 0.6%
12 Argentina 2 0.6%
13 Bangladesh 2 0.6%
14 Russia 1 0.3%