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
1 463 76.7%
2 China 65 10.8%
3 United States 43 7.1%
4 Germany 9 1.5%
5 France 6 1%
6 Canada 5 0.8%
7 United Kingdom 3 0.5%
8 Singapore 2 0.3%
9 Australia 2 0.3%
10 Hong Kong 2 0.3%
11 Japan 1 0.2%
12 Kazakhstan 1 0.2%
13 Malaysia 1 0.2%
14 New Zealand 1 0.2%