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 54 36.5%
2 China 22 14.9%
3 Russia 17 11.5%
4 Ukraine 16 10.8%
5 Germany 11 7.4%
6 India 6 4.1%
7 Hong Kong 5 3.4%
8 France 3 2%
9 Netherlands 3 2%
10 United Kingdom 2 1.4%
11 Spain 1 0.7%
12 Turkey 1 0.7%
13 Norway 1 0.7%
14 Greece 1 0.7%
15 Belgium 1 0.7%
16 Estonia 1 0.7%
17 Italy 1 0.7%
18 Japan 1 0.7%
19 Latvia 1 0.7%