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 275 80.4%
2 United States 30 8.8%
3 Germany 6 1.8%
4 Hong Kong 6 1.8%
5 Malaysia 4 1.2%
6 Canada 4 1.2%
7 United Kingdom 3 0.9%
8 Russia 3 0.9%
9 Japan 3 0.9%
10 Latvia 1 0.3%
11 Pakistan 1 0.3%
12 Portugal 1 0.3%
13 Romania 1 0.3%
14 Singapore 1 0.3%
15 Taiwan 1 0.3%
16 1 0.3%
17 Australia 1 0.3%