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 220 60.3%
2 United States 70 19.2%
3 Hong Kong 19 5.2%
4 Taiwan 12 3.3%
5 Germany 11 3%
6 Iran, Islamic Republic of 6 1.6%
7 Canada 4 1.1%
8 United Kingdom 4 1.1%
9 Japan 4 1.1%
10 Netherlands 3 0.8%
11 Macao 2 0.5%
12 Malaysia 2 0.5%
13 France 2 0.5%
14 Australia 2 0.5%
15 1 0.3%
16 Ireland 1 0.3%
17 Portugal 1 0.3%
18 Sweden 1 0.3%