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 79 48.8%
2 United States 33 20.4%
3 Germany 12 7.4%
4 Hong Kong 7 4.3%
5 Korea, Republic of 7 4.3%
6 Canada 6 3.7%
7 Japan 5 3.1%
8 Taiwan 3 1.9%
9 United Kingdom 2 1.2%
10 Norway 2 1.2%
11 Portugal 1 0.6%
12 Russia 1 0.6%
13 Singapore 1 0.6%
14 Ukraine 1 0.6%
15 1 0.6%
16 Macao 1 0.6%