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 207 69.9%
2 Germany 49 16.6%
3 United States 21 7.1%
4 Russia 5 1.7%
5 Macao 3 1%
6 Singapore 2 0.7%
7 Switzerland 2 0.7%
8 Canada 2 0.7%
9 United Kingdom 2 0.7%
10 Ukraine 1 0.3%
11 Netherlands 1 0.3%
12 India 1 0.3%