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 China 121 41.4%
2 United States 114 39%
3 Germany 17 5.8%
4 France 12 4.1%
5 Netherlands 12 4.1%
6 India 5 1.7%
7 Republic of Korea 3 1%
8 Turkey 2 0.7%
9 Ukraine 1 0.3%
10 Korea, Republic of 1 0.3%
11 Brazil 1 0.3%
12 Czechia 1 0.3%
13 Denmark 1 0.3%
14 Finland 1 0.3%