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 93 47.4%
2 United States 50 25.5%
3 Germany 12 6.1%
4 Netherlands 7 3.6%
5 Sweden 7 3.6%
6 Thailand 5 2.6%
7 France 4 2%
8 Cote D'ivoire 4 2%
9 Russia 3 1.5%
10 Switzerland 2 1%
11 Brazil 2 1%
12 Hong Kong 1 0.5%
13 Korea, Republic of 1 0.5%
14 Denmark 1 0.5%
15 Finland 1 0.5%
16 United Kingdom 1 0.5%
17 Spain 1 0.5%
18 Romania 1 0.5%