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 154 65.5%
2 United States 45 19.1%
3 Taiwan 9 3.8%
4 Hong Kong 6 2.6%
5 Germany 4 1.7%
6 India 3 1.3%
7 Japan 3 1.3%
8 Korea, Republic of 3 1.3%
9 Netherlands 3 1.3%
10 Portugal 1 0.4%
11 Russia 1 0.4%
12 Sweden 1 0.4%
13 Macao 1 0.4%
14 United Kingdom 1 0.4%