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 60 52.2%
2 United States 25 21.7%
3 Canada 6 5.2%
4 Netherlands 5 4.3%
5 Spain 3 2.6%
6 Germany 3 2.6%
7 Chile 2 1.7%
8 Australia 2 1.7%
9 Italy 2 1.7%
10 Japan 2 1.7%
11 Malaysia 1 0.9%
12 Algeria 1 0.9%
13 Hong Kong 1 0.9%
14 Finland 1 0.9%
15 France 1 0.9%