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 41 35%
2 United States 35 29.9%
3 Germany 17 14.5%
4 India 7 6%
5 Japan 3 2.6%
6 Morocco 3 2.6%
7 Netherlands 3 2.6%
8 Peru 2 1.7%
9 Hong Kong 2 1.7%
10 France 1 0.9%
11 Singapore 1 0.9%
12 Switzerland 1 0.9%
13 United Kingdom 1 0.9%