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 United States 26 36.1%
2 China 19 26.4%
3 Germany 8 11.1%
4 Netherlands 5 6.9%
5 Japan 3 4.2%
6 Canada 2 2.8%
7 India 2 2.8%
8 Indonesia 2 2.8%
9 France 2 2.8%
10 Hong Kong 1 1.4%
11 Sweden 1 1.4%
12 Turkey 1 1.4%