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 70 49.3%
2 United States 32 22.5%
3 Germany 14 9.9%
4 Hong Kong 8 5.6%
5 Taiwan 4 2.8%
6 Canada 2 1.4%
7 United Kingdom 2 1.4%
8 Malaysia 2 1.4%
9 Peru 1 0.7%
10 Portugal 1 0.7%
11 France 1 0.7%
12 French Polynesia 1 0.7%
13 Japan 1 0.7%
14 Kazakhstan 1 0.7%
15 Macao 1 0.7%
16 Ukraine 1 0.7%