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 219 43.5%
2 United States 179 35.5%
3 Germany 29 5.8%
4 India 17 3.4%
5 Netherlands 15 3%
6 France 15 3%
7 Malaysia 4 0.8%
8 Romania 3 0.6%
9 Russia 3 0.6%
10 Iran 2 0.4%
11 Canada 2 0.4%
12 Hong Kong 2 0.4%
13 Belgium 2 0.4%
14 Taiwan 2 0.4%
15 Ukraine 2 0.4%
16 United Kingdom 2 0.4%
17 Brazil 1 0.2%
18 Czech Republic 1 0.2%
19 Finland 1 0.2%
20 Ireland 1 0.2%
21 Japan 1 0.2%
22 Spain 1 0.2%