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 248 71.9%
2 United States 47 13.6%
3 Germany 23 6.7%
4 Netherlands 11 3.2%
5 United Kingdom 4 1.2%
6 Slovenia 2 0.6%
7 Malaysia 2 0.6%
8 France 2 0.6%
9 Brazil 2 0.6%
10 Canada 1 0.3%
11 Moldova, Republic of 1 0.3%
12 Singapore 1 0.3%
13 Turkey 1 0.3%