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 China 20 23.8%
2 United States 19 22.6%
3 Netherlands 14 16.7%
4 Germany 10 11.9%
5 France 4 4.8%
6 Portugal 3 3.6%
7 Russia 3 3.6%
8 Sweden 3 3.6%
9 Switzerland 3 3.6%
10 Japan 2 2.4%
11 Canada 2 2.4%
12 Latvia 1 1.2%