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 1687 91.7%
2 China 88 4.8%
3 United States 38 2.1%
4 United Kingdom 10 0.5%
5 Germany 4 0.2%
6 Netherlands 3 0.2%
7 Canada 2 0.1%
8 Hong Kong 2 0.1%
9 Macao 1 0.1%
10 Denmark 1 0.1%
11 New Zealand 1 0.1%
12 Singapore 1 0.1%
13 Switzerland 1 0.1%