BPG致力于知识的发现和传播
Total Visits of This Article
2023 | 总访问次数
排名 国家/地区 数量 占比
1 China 40 40%
2 United States 20 20%
3 Germany 10 10%
4 Korea, Republic of 6 6%
5 Sweden 5 5%
6 Chile 4 4%
7 Japan 4 4%
8 Ireland 3 3%
9 Netherlands 3 3%
10 Israel 2 2%
11 India 1 1%
12 Iran, Islamic Republic of 1 1%
13 France 1 1%