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 50 36%
2 China 31 22.3%
3 Germany 14 10.1%
4 Russia 8 5.8%
5 Netherlands 7 5%
6 United Kingdom 6 4.3%
7 India 6 4.3%
8 Hong Kong 3 2.2%
9 Senegal 3 2.2%
10 Turkey 2 1.4%
11 Estonia 2 1.4%
12 France 2 1.4%
13 Bulgaria 1 0.7%
14 Canada 1 0.7%
15 Indonesia 1 0.7%
16 Spain 1 0.7%
17 Thailand 1 0.7%