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 257 70.8%
2 Germany 45 12.4%
3 United States 43 11.8%
4 Hong Kong 4 1.1%
5 Canada 3 0.8%
6 United Kingdom 2 0.6%
7 Ireland 2 0.6%
8 Macao 2 0.6%
9 Netherlands 2 0.6%
10 Russia 1 0.3%
11 Ukraine 1 0.3%
12 Korea, Republic of 1 0.3%