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 184 51.4%
2 United States 70 19.6%
3 Germany 40 11.2%
4 Netherlands 25 7%
5 Canada 12 3.4%
6 Iran, Islamic Republic of 6 1.7%
7 United Kingdom 5 1.4%
8 France 5 1.4%
9 Hong Kong 2 0.6%
10 Portugal 2 0.6%
11 Russia 2 0.6%
12 Sweden 2 0.6%
13 India 1 0.3%
14 Philippines 1 0.3%
15 Australia 1 0.3%