BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 191 46.7%
2 Germany 56 13.7%
3 United States 40 9.8%
4 United Kingdom 26 6.4%
5 Sweden 20 4.9%
6 Ireland 18 4.4%
7 Russia 15 3.7%
8 South Africa 11 2.7%
9 Israel 9 2.2%
10 Thailand 8 2%
11 Senegal 7 1.7%
12 Ukraine 2 0.5%
13 Brazil 1 0.2%
14 Estonia 1 0.2%
15 Georgia 1 0.2%
16 Italy 1 0.2%
17 Malaysia 1 0.2%
18 Romania 1 0.2%