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 246 60.3%
2 United States 70 17.2%
3 Germany 38 9.3%
4 Canada 14 3.4%
5 Hong Kong 10 2.5%
6 Singapore 5 1.2%
7 Sweden 5 1.2%
8 Japan 4 1%
9 Korea, Republic of 3 0.7%
10 Macao 3 0.7%
11 Oman 3 0.7%
12 Malaysia 2 0.5%
13 Australia 1 0.2%
14 Austria 1 0.2%
15 Taiwan 1 0.2%
16 Turkey 1 0.2%
17 United Kingdom 1 0.2%