BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 758 79.3%
2 United States 109 11.4%
3 China 36 3.8%
4 France 15 1.6%
5 Germany 15 1.6%
6 Canada 5 0.5%
7 Singapore 4 0.4%
8 Taiwan 3 0.3%
9 United Kingdom 3 0.3%
10 Russia 2 0.2%
11 Czech Republic 2 0.2%
12 India 2 0.2%
13 Japan 1 0.1%
14 Ukraine 1 0.1%