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 13 28.3%
2 Germany 8 17.4%
3 United States 6 13%
4 Netherlands 4 8.7%
5 Canada 4 8.7%
6 Japan 3 6.5%
7 Hong Kong 2 4.3%
8 Australia 2 4.3%
9 France 2 4.3%
10 Malaysia 1 2.2%
11 Turkey 1 2.2%