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 149 47.9%
2 United States 132 42.4%
3 Taiwan 9 2.9%
4 Germany 6 1.9%
5 Hong Kong 4 1.3%
6 United Kingdom 2 0.6%
7 France 2 0.6%
8 Russia 2 0.6%
9 Italy 1 0.3%
10 Korea, Republic of 1 0.3%
11 Latvia 1 0.3%
12 Malaysia 1 0.3%
13 Portugal 1 0.3%