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 173 44.5%
2 United States 114 29.3%
3 Germany 29 7.5%
4 Netherlands 23 5.9%
5 Canada 16 4.1%
6 Russia 6 1.5%
7 New Zealand 4 1%
8 Spain 3 0.8%
9 Hong Kong 3 0.8%
10 United Kingdom 3 0.8%
11 India 2 0.5%
12 Ireland 2 0.5%
13 Italy 2 0.5%
14 Japan 2 0.5%
15 Malaysia 2 0.5%
16 Taiwan 2 0.5%
17 Singapore 2 0.5%
18 Sweden 1 0.3%