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 52 30.8%
2 Sweden 51 30.2%
3 Germany 23 13.6%
4 China 14 8.3%
5 Netherlands 9 5.3%
6 Korea, Republic of 8 4.7%
7 India 5 3%
8 France 2 1.2%
9 Spain 2 1.2%
10 Russia 1 0.6%
11 Iraq 1 0.6%
12 Czech Republic 1 0.6%