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 171 47.1%
2 United States 124 34.2%
3 Germany 25 6.9%
4 France 19 5.2%
5 Netherlands 8 2.2%
6 Romania 3 0.8%
7 India 3 0.8%
8 Ukraine 2 0.6%
9 United Kingdom 1 0.3%
10 Turkey 1 0.3%
11 Korea, Republic of 1 0.3%
12 Lithuania 1 0.3%
13 Macao 1 0.3%
14 Finland 1 0.3%
15 Austria 1 0.3%
16 Azerbaijan 1 0.3%