BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 53 45.7%
2 United States 22 19%
3 Canada 9 7.8%
4 France 7 6%
5 Germany 7 6%
6 Malaysia 6 5.2%
7 Singapore 5 4.3%
8 Netherlands 2 1.7%
9 Hong Kong 2 1.7%
10 Macao 1 0.9%
11 Australia 1 0.9%
12 Bolivia, Plurinational State of 1 0.9%