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
1 290 61.7%
2 United States 77 16.4%
3 China 57 12.1%
4 Germany 17 3.6%
5 France 15 3.2%
6 Czech Republic 5 1.1%
7 Canada 3 0.6%
8 India 2 0.4%
9 Macao 1 0.2%
10 Philippines 1 0.2%
11 United Kingdom 1 0.2%
12 Hong Kong 1 0.2%