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
1 273 63.2%
2 China 63 14.6%
3 United States 62 14.4%
4 Germany 10 2.3%
5 Hong Kong 6 1.4%
6 France 5 1.2%
7 Canada 3 0.7%
8 Czech Republic 2 0.5%
9 India 2 0.5%
10 Russia 2 0.5%
11 Thailand 1 0.2%
12 United Kingdom 1 0.2%
13 Japan 1 0.2%
14 Philippines 1 0.2%