BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 61 31.3%
2 India 39 20%
3 China 37 19%
4 Germany 23 11.8%
5 France 13 6.7%
6 Russia 6 3.1%
7 Nigeria 5 2.6%
8 Canada 3 1.5%
9 Brazil 1 0.5%
10 Czech Republic 1 0.5%
11 Japan 1 0.5%
12 Switzerland 1 0.5%
13 Taiwan 1 0.5%
14 Turkey 1 0.5%
15 Ukraine 1 0.5%
16 United Kingdom 1 0.5%