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 China 118 66.3%
2 United States 26 14.6%
3 Germany 9 5.1%
4 Netherlands 9 5.1%
5 Singapore 4 2.2%
6 Saudi Arabia 2 1.1%
7 Japan 2 1.1%
8 Brazil 2 1.1%
9 Canada 2 1.1%
10 Denmark 1 0.6%
11 France 1 0.6%
12 Sweden 1 0.6%
13 Turkey 1 0.6%