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 176 56.4%
2 United States 66 21.2%
3 Germany 27 8.7%
4 United Kingdom 12 3.8%
5 Hong Kong 9 2.9%
6 Japan 6 1.9%
7 Brazil 3 1%
8 Australia 2 0.6%
9 Ukraine 2 0.6%
10 Macao 2 0.6%
11 Netherlands 2 0.6%
12 Russia 1 0.3%
13 Taiwan 1 0.3%
14 Ireland 1 0.3%
15 Israel 1 0.3%
16 Canada 1 0.3%