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 55 34.8%
2 United States 45 28.5%
3 Germany 16 10.1%
4 Hong Kong 6 3.8%
5 Korea, Republic of 5 3.2%
6 Portugal 5 3.2%
7 4 2.5%
8 United Kingdom 4 2.5%
9 Senegal 3 1.9%
10 Canada 3 1.9%
11 Taiwan 2 1.3%
12 Australia 2 1.3%
13 France 2 1.3%
14 Hungary 1 0.6%
15 Japan 1 0.6%
16 Singapore 1 0.6%
17 Spain 1 0.6%
18 Russia 1 0.6%
19 Malaysia 1 0.6%