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 187 58.4%
2 United States 56 17.5%
3 Germany 30 9.4%
4 Canada 13 4.1%
5 Malaysia 8 2.5%
6 Singapore 8 2.5%
7 Australia 5 1.6%
8 United Kingdom 3 0.9%
9 Serbia 2 0.6%
10 Seychelles 2 0.6%
11 Macao 2 0.6%
12 Austria 1 0.3%
13 Brazil 1 0.3%
14 Hong Kong 1 0.3%
15 Spain 1 0.3%