BPG致力于知识的发现和传播
Total Visits of This Article
2018 | 总访问次数
排名 国家/地区 数量 占比
1 United States 55 33.3%
2 China 51 30.9%
3 Netherlands 28 17%
4 Germany 8 4.8%
5 United Kingdom 6 3.6%
6 Hong Kong 5 3%
7 France 4 2.4%
8 Romania 3 1.8%
9 Spain 2 1.2%
10 Taiwan 1 0.6%
11 Japan 1 0.6%
12 Venezuela, Bolivarian Republic of 1 0.6%