BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 295 66%
2 United States 59 13.2%
3 Germany 33 7.4%
4 United Kingdom 15 3.4%
5 India 13 2.9%
6 Finland 6 1.3%
7 Switzerland 5 1.1%
8 Hong Kong 3 0.7%
9 New Zealand 3 0.7%
10 Pakistan 2 0.4%
11 Poland 2 0.4%
12 Singapore 2 0.4%
13 Croatia 2 0.4%
14 Taiwan 2 0.4%
15 Sweden 2 0.4%
16 Malaysia 2 0.4%
17 Spain 1 0.2%