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 22 32.8%
2 Germany 14 20.9%
3 China 9 13.4%
4 6 9%
5 Malaysia 3 4.5%
6 Republic of Korea 3 4.5%
7 Ukraine 2 3%
8 Ivory Coast 2 3%
9 France 2 3%
10 India 1 1.5%
11 Mexico 1 1.5%
12 Spain 1 1.5%
13 Vietnam 1 1.5%