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 70 46.7%
2 United States 29 19.3%
3 Netherlands 20 13.3%
4 Germany 12 8%
5 France 6 4%
6 Malaysia 4 2.7%
7 Russia 3 2%
8 Norway 2 1.3%
9 Czech Republic 1 0.7%
10 Australia 1 0.7%
11 Canada 1 0.7%
12 Sweden 1 0.7%