BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 219 65.6%
2 United States 82 24.6%
3 Germany 13 3.9%
4 Hong Kong 7 2.1%
5 Taiwan 4 1.2%
6 France 2 0.6%
7 Canada 2 0.6%
8 United Kingdom 1 0.3%
9 India 1 0.3%
10 Malaysia 1 0.3%
11 Netherlands 1 0.3%
12 Portugal 1 0.3%