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 1093 78.5%
2 United States 181 13%
3 China 73 5.2%
4 Germany 12 0.9%
5 France 11 0.8%
6 Canada 5 0.4%
7 Ukraine 4 0.3%
8 United Kingdom 4 0.3%
9 Australia 2 0.1%
10 Hong Kong 2 0.1%
11 Japan 2 0.1%
12 Malaysia 1 0.1%
13 Mongolia 1 0.1%
14 Taiwan 1 0.1%
15 Trinidad and Tobago 1 0.1%