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 139 49.1%
2 United States 69 24.4%
3 Netherlands 17 6%
4 Russia 9 3.2%
5 Germany 8 2.8%
6 Thailand 6 2.1%
7 France 4 1.4%
8 Sweden 4 1.4%
9 Cote D'ivoire 4 1.4%
10 Ireland 4 1.4%
11 Japan 3 1.1%
12 Denmark 3 1.1%
13 Norway 3 1.1%
14 Romania 2 0.7%
15 Switzerland 2 0.7%
16 Korea, Republic of 2 0.7%
17 Italy 2 0.7%
18 Hong Kong 1 0.4%
19 India 1 0.4%