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 162 60.9%
2 United States 44 16.5%
3 Germany 30 11.3%
4 Taiwan 9 3.4%
5 Netherlands 7 2.6%
6 India 4 1.5%
7 Ireland 3 1.1%
8 Hong Kong 2 0.8%
9 Australia 2 0.8%
10 Tanzania, United Republic of 2 0.8%
11 Israel 1 0.4%