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 68 54.8%
2 United States 16 12.9%
3 Netherlands 11 8.9%
4 Germany 8 6.5%
5 Hong Kong 3 2.4%
6 Spain 3 2.4%
7 Tunisia 2 1.6%
8 Ukraine 2 1.6%
9 United Kingdom 2 1.6%
10 Norway 1 0.8%
11 Russia 1 0.8%
12 United Arab Emirates 1 0.8%
13 Japan 1 0.8%
14 France 1 0.8%
15 Australia 1 0.8%
16 Austria 1 0.8%
17 Belgium 1 0.8%
18 Canada 1 0.8%