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 386 47.4%
2 United States 204 25.1%
3 Netherlands 64 7.9%
4 Germany 38 4.7%
5 Sweden 26 3.2%
6 Hong Kong 19 2.3%
7 Russia 17 2.1%
8 Taiwan 10 1.2%
9 Cote D'ivoire 9 1.1%
10 Thailand 7 0.9%
11 Korea, Republic of 5 0.6%
12 Japan 4 0.5%
13 France 4 0.5%
14 Ireland 4 0.5%
15 India 3 0.4%
16 Denmark 3 0.4%
17 Norway 3 0.4%
18 Romania 2 0.2%
19 Switzerland 2 0.2%
20 Italy 2 0.2%
21 Australia 1 0.1%
22 United Kingdom 1 0.1%