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 United States 26 26.5%
2 China 22 22.4%
3 Germany 20 20.4%
4 Netherlands 11 11.2%
5 France 5 5.1%
6 New Zealand 4 4.1%
7 Peru 4 4.1%
8 Thailand 2 2%
9 Korea, Republic of 2 2%
10 Canada 2 2%