BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 United States 86 62.8%
2 Germany 16 11.7%
3 India 6 4.4%
4 United Kingdom 6 4.4%
5 China 5 3.6%
6 Netherlands 4 2.9%
7 Canada 3 2.2%
8 France 2 1.5%
9 Ukraine 2 1.5%
10 Philippines 1 0.7%
11 Russia 1 0.7%
12 South Africa 1 0.7%
13 Namibia 1 0.7%
14 Estonia 1 0.7%
15 Brazil 1 0.7%
16 Bulgaria 1 0.7%