BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 United States 36 35.3%
2 China 25 24.5%
3 Germany 10 9.8%
4 India 7 6.9%
5 Netherlands 6 5.9%
6 Puerto Rico 3 2.9%
7 France 3 2.9%
8 Chile 3 2.9%
9 Italy 2 2%
10 Japan 2 2%
11 Russia 2 2%
12 Ukraine 1 1%
13 Romania 1 1%
14 Canada 1 1%