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 48 32.4%
2 United States 48 32.4%
3 Netherlands 34 23%
4 Germany 5 3.4%
5 France 3 2%
6 Canada 2 1.4%
7 Israel 2 1.4%
8 Russia 2 1.4%
9 Korea, Republic of 2 1.4%
10 Japan 1 0.7%
11 Colombia 1 0.7%