BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 United States 88 54%
2 China 27 16.6%
3 Netherlands 24 14.7%
4 Germany 10 6.1%
5 Canada 5 3.1%
6 India 2 1.2%
7 France 2 1.2%
8 Japan 1 0.6%
9 Syrian Arab Republic 1 0.6%
10 Tunisia 1 0.6%
11 Algeria 1 0.6%
12 Czech Republic 1 0.6%