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 162 47.8%
2 United States 59 17.4%
3 Germany 35 10.3%
4 Spain 23 6.8%
5 Canada 10 2.9%
6 Austria 9 2.7%
7 Russia 7 2.1%
8 Turkey 7 2.1%
9 United Kingdom 4 1.2%
10 Singapore 3 0.9%
11 Netherlands 3 0.9%
12 Hong Kong 3 0.9%
13 Italy 2 0.6%
14 Australia 2 0.6%
15 Norway 2 0.6%
16 El Salvador 2 0.6%
17 Moldova, Republic of 2 0.6%
18 Serbia 1 0.3%
19 Denmark 1 0.3%
20 Malaysia 1 0.3%
21 Taiwan 1 0.3%