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 57.2%
2 United States 47 16.6%
3 Germany 38 13.4%
4 Canada 17 6%
5 Brazil 4 1.4%
6 Netherlands 4 1.4%
7 Macao 3 1.1%
8 Singapore 2 0.7%
9 Ukraine 2 0.7%
10 Russia 1 0.4%
11 Bulgaria 1 0.4%
12 India 1 0.4%
13 Israel 1 0.4%