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 245 45.8%
2 United States 169 31.6%
3 Netherlands 36 6.7%
4 Germany 23 4.3%
5 France 20 3.7%
6 Republic of Korea 5 0.9%
7 United Kingdom 4 0.7%
8 Singapore 4 0.7%
9 Spain 4 0.7%
10 Japan 3 0.6%
11 Finland 3 0.6%
12 Belgium 3 0.6%
13 Canada 3 0.6%
14 Hong Kong 2 0.4%
15 Sweden 2 0.4%
16 Taiwan 2 0.4%
17 Ukraine 1 0.2%
18 Malaysia 1 0.2%
19 Mexico 1 0.2%
20 Mongolia 1 0.2%
21 India 1 0.2%
22 Croatia 1 0.2%
23 Saudi Arabia 1 0.2%