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 62 42.5%
2 United States 45 30.8%
3 Netherlands 14 9.6%
4 Germany 8 5.5%
5 5 3.4%
6 Hong Kong 3 2.1%
7 Ukraine 3 2.1%
8 United Kingdom 1 0.7%
9 Japan 1 0.7%
10 Latvia 1 0.7%
11 Canada 1 0.7%
12 Portugal 1 0.7%
13 Taiwan 1 0.7%