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 United States 48 50%
2 China 25 26%
3 France 6 6.2%
4 United Kingdom 5 5.2%
5 Germany 3 3.1%
6 Japan 2 2.1%
7 Macao 2 2.1%
8 Malaysia 2 2.1%
9 Spain 1 1%
10 Italy 1 1%
11 Canada 1 1%