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 242 65.9%
2 United States 53 14.4%
3 Germany 18 4.9%
4 Hong Kong 10 2.7%
5 Singapore 8 2.2%
6 Malaysia 6 1.6%
7 Portugal 5 1.4%
8 Senegal 4 1.1%
9 Taiwan 4 1.1%
10 Japan 4 1.1%
11 Canada 3 0.8%
12 Sweden 3 0.8%
13 Australia 2 0.5%
14 Burundi 1 0.3%
15 1 0.3%
16 Macao 1 0.3%
17 Russia 1 0.3%
18 United Kingdom 1 0.3%