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 188 56.3%
2 United States 74 22.2%
3 Germany 34 10.2%
4 Hong Kong 11 3.3%
5 Canada 9 2.7%
6 United Kingdom 5 1.5%
7 Taiwan 4 1.2%
8 France 2 0.6%
9 Macao 2 0.6%
10 Netherlands 2 0.6%
11 Russia 1 0.3%
12 Singapore 1 0.3%
13 Ukraine 1 0.3%