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
1 793 73.8%
2 United States 165 15.3%
3 China 70 6.5%
4 Germany 16 1.5%
5 France 10 0.9%
6 Taiwan 5 0.5%
7 United Kingdom 4 0.4%
8 Hong Kong 4 0.4%
9 Korea, Republic of 2 0.2%
10 Macao 2 0.2%
11 Netherlands 1 0.1%
12 Norway 1 0.1%
13 Japan 1 0.1%
14 Ukraine 1 0.1%