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 173 61.1%
2 United States 62 21.9%
3 Germany 16 5.7%
4 Republic of Korea 10 3.5%
5 Netherlands 5 1.8%
6 Taiwan 4 1.4%
7 Romania 3 1.1%
8 Malaysia 3 1.1%
9 Bosnia and Herzegovina 1 0.4%
10 Denmark 1 0.4%
11 Finland 1 0.4%
12 Hong Kong 1 0.4%
13 India 1 0.4%
14 Japan 1 0.4%
15 Korea, Republic of 1 0.4%