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 25 38.5%
2 United States 17 26.2%
3 Netherlands 6 9.2%
4 France 5 7.7%
5 Australia 3 4.6%
6 Malaysia 2 3.1%
7 Viet Nam 2 3.1%
8 Germany 2 3.1%
9 Hong Kong 1 1.5%
10 Iran, Islamic Republic of 1 1.5%
11 Korea, Republic of 1 1.5%