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 United States 18 32.1%
2 China 16 28.6%
3 Taiwan 8 14.3%
4 Germany 3 5.4%
5 India 3 5.4%
6 United Kingdom 2 3.6%
7 Macao 2 3.6%
8 Russia 1 1.8%
9 Japan 1 1.8%
10 Korea, Republic of 1 1.8%
11 Hong Kong 1 1.8%