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 83 62.4%
2 United States 24 18%
3 Germany 8 6%
4 Taiwan 5 3.8%
5 Hong Kong 4 3%
6 Zambia 2 1.5%
7 United Kingdom 1 0.8%
8 Canada 1 0.8%
9 Italy 1 0.8%
10 Korea, Republic of 1 0.8%
11 Malaysia 1 0.8%
12 Portugal 1 0.8%
13 Singapore 1 0.8%