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 182 52.4%
2 United States 48 13.8%
3 Germany 40 11.5%
4 Canada 35 10.1%
5 Sweden 7 2%
6 Taiwan 7 2%
7 Turkey 7 2%
8 Romania 3 0.9%
9 Ireland 3 0.9%
10 Israel 2 0.6%
11 Japan 2 0.6%
12 Moldova, Republic of 2 0.6%
13 Netherlands 2 0.6%
14 Nigeria 2 0.6%
15 Australia 2 0.6%
16 Colombia 1 0.3%
17 Russia 1 0.3%
18 Singapore 1 0.3%