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 172 56.6%
2 United States 48 15.8%
3 Germany 37 12.2%
4 Canada 23 7.6%
5 Hong Kong 5 1.6%
6 Ireland 4 1.3%
7 India 3 1%
8 Russia 3 1%
9 Singapore 2 0.7%
10 Malaysia 2 0.7%
11 Netherlands 2 0.7%
12 Romania 2 0.7%
13 France 1 0.3%