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 35 39.8%
2 Netherlands 17 19.3%
3 United States 17 19.3%
4 Korea, Republic of 9 10.2%
5 France 5 5.7%
6 Canada 2 2.3%
7 Saudi Arabia 1 1.1%
8 Japan 1 1.1%
9 Moldova, Republic of 1 1.1%