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 34 40%
2 Netherlands 20 23.5%
3 China 9 10.6%
4 Germany 5 5.9%
5 India 5 5.9%
6 Turkey 3 3.5%
7 United Kingdom 2 2.4%
8 Australia 2 2.4%
9 Mexico 2 2.4%
10 France 1 1.2%
11 Japan 1 1.2%
12 Korea, Republic of 1 1.2%