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 145 43.3%
2 China 135 40.3%
3 France 19 5.7%
4 Germany 16 4.8%
5 Republic of Korea 6 1.8%
6 India 4 1.2%
7 Canada 3 0.9%
8 Taiwan 2 0.6%
9 Thailand 1 0.3%
10 Argentina 1 0.3%
11 Singapore 1 0.3%
12 Spain 1 0.3%
13 Netherlands 1 0.3%