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 64 46%
2 United States 28 20.1%
3 Germany 18 12.9%
4 Hong Kong 8 5.8%
5 Portugal 6 4.3%
6 3 2.2%
7 India 3 2.2%
8 Senegal 3 2.2%
9 Taiwan 1 0.7%
10 United Kingdom 1 0.7%
11 Malaysia 1 0.7%
12 Australia 1 0.7%
13 Canada 1 0.7%
14 Russia 1 0.7%