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 87 38.8%
2 China 51 22.8%
3 Netherlands 37 16.5%
4 Germany 26 11.6%
5 Korea, Republic of 7 3.1%
6 Sweden 6 2.7%
7 Japan 4 1.8%
8 France 4 1.8%
9 Russia 1 0.4%
10 Spain 1 0.4%