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 351 75.3%
2 United States 51 10.9%
3 Germany 35 7.5%
4 Russia 5 1.1%
5 Ireland 5 1.1%
6 United Kingdom 5 1.1%
7 Japan 4 0.9%
8 Hong Kong 4 0.9%
9 Malaysia 2 0.4%
10 Netherlands 2 0.4%
11 Norway 1 0.2%
12 Taiwan 1 0.2%