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 31 23.8%
2 United States 29 22.3%
3 Germany 22 16.9%
4 Netherlands 16 12.3%
5 Turkey 5 3.8%
6 Japan 5 3.8%
7 France 4 3.1%
8 Thailand 4 3.1%
9 Iran, Islamic Republic of 3 2.3%
10 Canada 3 2.3%
11 Korea, Republic of 2 1.5%
12 Hong Kong 2 1.5%
13 Portugal 2 1.5%
14 United Kingdom 1 0.8%
15 Australia 1 0.8%