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 1917 83.7%
2 China 273 11.9%
3 United States 53 2.3%
4 Germany 16 0.7%
5 United Kingdom 9 0.4%
6 France 8 0.3%
7 Hong Kong 4 0.2%
8 Japan 3 0.1%
9 Australia 2 0.1%
10 Canada 1 0%
11 Korea, Republic of 1 0%
12 Netherlands 1 0%
13 Singapore 1 0%
14 Taiwan 1 0%