BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 175 55.6%
2 United States 58 18.4%
3 Germany 46 14.6%
4 Taiwan 10 3.2%
5 Canada 6 1.9%
6 Hong Kong 5 1.6%
7 Japan 4 1.3%
8 Ireland 3 1%
9 Singapore 2 0.6%
10 Ukraine 2 0.6%
11 United Kingdom 1 0.3%
12 Turkey 1 0.3%
13 Macao 1 0.3%
14 Mauritius 1 0.3%