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 23 32.9%
2 United States 22 31.4%
3 Germany 7 10%
4 Hong Kong 6 8.6%
5 Taiwan 4 5.7%
6 3 4.3%
7 United Kingdom 1 1.4%
8 India 1 1.4%
9 Ireland 1 1.4%
10 Portugal 1 1.4%
11 Russia 1 1.4%