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
1 638 68.5%
2 United States 200 21.5%
3 China 43 4.6%
4 Germany 18 1.9%
5 France 10 1.1%
6 United Kingdom 9 1%
7 Hong Kong 8 0.9%
8 Japan 1 0.1%
9 Korea, Republic of 1 0.1%
10 New Zealand 1 0.1%
11 Singapore 1 0.1%
12 Ukraine 1 0.1%
13 Australia 1 0.1%