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 159 70%
2 United States 35 15.4%
3 Germany 15 6.6%
4 Hong Kong 3 1.3%
5 Latvia 3 1.3%
6 2 0.9%
7 Taiwan 2 0.9%
8 Togo 2 0.9%
9 Ukraine 1 0.4%
10 Brunei Darussalam 1 0.4%
11 Canada 1 0.4%
12 Czech Republic 1 0.4%
13 France 1 0.4%
14 Portugal 1 0.4%