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 712 47.4%
2 United States 412 27.4%
3 Netherlands 135 9%
4 Germany 81 5.4%
5 France 48 3.2%
6 Canada 32 2.1%
7 Korea, Republic of 17 1.1%
8 Hong Kong 9 0.6%
9 Cote D'ivoire 9 0.6%
10 Taiwan 9 0.6%
11 India 7 0.5%
12 Senegal 7 0.5%
13 Russia 6 0.4%
14 Australia 3 0.2%
15 Brazil 3 0.2%
16 Sweden 3 0.2%
17 Denmark 2 0.1%
18 Romania 2 0.1%
19 Malaysia 2 0.1%
20 Poland 1 0.1%
21 Singapore 1 0.1%
22 United Arab Emirates 1 0.1%
23 United Kingdom 1 0.1%