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 92 60.9%
2 Netherlands 15 9.9%
3 Germany 13 8.6%
4 United States 10 6.6%
5 France 8 5.3%
6 Singapore 4 2.6%
7 Australia 2 1.3%
8 Brazil 2 1.3%
9 Russia 2 1.3%
10 Malaysia 1 0.7%
11 Moldova, Republic of 1 0.7%
12 Albania 1 0.7%