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 45 37.2%
2 United States 28 23.1%
3 Germany 17 14%
4 Hong Kong 9 7.4%
5 Canada 4 3.3%
6 Taiwan 4 3.3%
7 United Kingdom 3 2.5%
8 Pakistan 2 1.7%
9 2 1.7%
10 France 1 0.8%
11 Kazakhstan 1 0.8%
12 Malaysia 1 0.8%
13 Mauritius 1 0.8%
14 Portugal 1 0.8%
15 Singapore 1 0.8%
16 Venezuela, Bolivarian Republic of 1 0.8%