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
1 336 69.1%
2 China 56 11.5%
3 United States 55 11.3%
4 Germany 14 2.9%
5 France 8 1.6%
6 Taiwan 5 1%
7 India 3 0.6%
8 Lao People's Democratic Republic 2 0.4%
9 Hong Kong 2 0.4%
10 Ukraine 2 0.4%
11 United Kingdom 1 0.2%
12 Netherlands 1 0.2%
13 Japan 1 0.2%