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 172 66.2%
2 United States 53 20.4%
3 Germany 7 2.7%
4 Hong Kong 5 1.9%
5 Taiwan 4 1.5%
6 Netherlands 3 1.2%
7 Republic of Korea 3 1.2%
8 France 3 1.2%
9 Australia 2 0.8%
10 Japan 2 0.8%
11 Korea, Republic of 1 0.4%
12 Macao 1 0.4%
13 Malaysia 1 0.4%
14 Finland 1 0.4%
15 Singapore 1 0.4%
16 Ukraine 1 0.4%