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
1 742 76.1%
2 United States 144 14.8%
3 China 52 5.3%
4 France 8 0.8%
5 Germany 7 0.7%
6 United Kingdom 4 0.4%
7 Ukraine 3 0.3%
8 Hong Kong 3 0.3%
9 Australia 2 0.2%
10 Canada 2 0.2%
11 Malaysia 2 0.2%
12 Peru 1 0.1%
13 Philippines 1 0.1%
14 Singapore 1 0.1%
15 Costa Rica 1 0.1%
16 Denmark 1 0.1%
17 Japan 1 0.1%