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 431 54.5%
2 United States 136 17.2%
3 Netherlands 86 10.9%
4 Germany 56 7.1%
5 Canada 23 2.9%
6 Sweden 10 1.3%
7 Russia 8 1%
8 Ukraine 6 0.8%
9 France 6 0.8%
10 Taiwan 5 0.6%
11 Hong Kong 4 0.5%
12 Norway 3 0.4%
13 Serbia 2 0.3%
14 Singapore 2 0.3%
15 India 2 0.3%
16 Italy 2 0.3%
17 Korea, Republic of 2 0.3%
18 Malaysia 2 0.3%
19 Uzbekistan 2 0.3%
20 1 0.1%
21 Botswana 1 0.1%
22 United Kingdom 1 0.1%