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 573 53.9%
2 United States 260 24.4%
3 Netherlands 70 6.6%
4 Germany 43 4%
5 France 26 2.4%
6 Korea, Republic of 22 2.1%
7 Russia 18 1.7%
8 Cote D'ivoire 10 0.9%
9 India 7 0.7%
10 Japan 6 0.6%
11 Philippines 6 0.6%
12 Canada 6 0.6%
13 Sweden 3 0.3%
14 United Kingdom 3 0.3%
15 Taiwan 2 0.2%
16 Australia 2 0.2%
17 Brazil 2 0.2%
18 Poland 2 0.2%
19 Romania 1 0.1%
20 Malaysia 1 0.1%
21 Hong Kong 1 0.1%