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 United States 69 54.8%
2 Canada 13 10.3%
3 China 11 8.7%
4 Germany 8 6.3%
5 Malaysia 6 4.8%
6 Hong Kong 4 3.2%
7 France 3 2.4%
8 Norway 3 2.4%
9 Bolivia, Plurinational State of 2 1.6%
10 Brazil 1 0.8%
11 Australia 1 0.8%
12 Austria 1 0.8%
13 Macao 1 0.8%
14 Spain 1 0.8%
15 Ukraine 1 0.8%
16 United Kingdom 1 0.8%