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 127 59.3%
2 United States 45 21%
3 Germany 17 7.9%
4 Hong Kong 6 2.8%
5 India 3 1.4%
6 Canada 3 1.4%
7 United Kingdom 2 0.9%
8 France 2 0.9%
9 Spain 2 0.9%
10 Sweden 1 0.5%
11 Taiwan 1 0.5%
12 Ukraine 1 0.5%
13 Japan 1 0.5%
14 Malaysia 1 0.5%
15 Portugal 1 0.5%
16 Singapore 1 0.5%