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 165 59.8%
2 United States 52 18.8%
3 Germany 17 6.2%
4 Hong Kong 8 2.9%
5 Japan 5 1.8%
6 Portugal 5 1.8%
7 United Kingdom 4 1.4%
8 Taiwan 4 1.4%
9 Senegal 3 1.1%
10 Australia 3 1.1%
11 Korea, Republic of 2 0.7%
12 Malaysia 2 0.7%
13 Russia 2 0.7%
14 Singapore 1 0.4%
15 Ukraine 1 0.4%
16 Canada 1 0.4%
17 France 1 0.4%