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 620 60.7%
2 United States 273 26.7%
3 Netherlands 53 5.2%
4 Germany 27 2.6%
5 France 20 2%
6 United Kingdom 9 0.9%
7 India 4 0.4%
8 Japan 3 0.3%
9 Thailand 3 0.3%
10 Republic of Korea 3 0.3%
11 Hong Kong 2 0.2%
12 Ireland 1 0.1%
13 Greece 1 0.1%
14 Russia 1 0.1%
15 Taiwan 1 0.1%
16 Ukraine 1 0.1%