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 107 56.9%
2 United States 49 26.1%
3 France 8 4.3%
4 Germany 6 3.2%
5 Netherlands 6 3.2%
6 Sweden 2 1.1%
7 India 2 1.1%
8 Japan 2 1.1%
9 Mexico 2 1.1%
10 Turkey 1 0.5%
11 Poland 1 0.5%
12 Russia 1 0.5%
13 Canada 1 0.5%