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 273 60.8%
2 United States 91 20.3%
3 Germany 36 8%
4 Canada 27 6%
5 Ireland 6 1.3%
6 Macao 3 0.7%
7 Russia 3 0.7%
8 Singapore 3 0.7%
9 Ukraine 2 0.4%
10 Korea, Republic of 2 0.4%
11 Hong Kong 2 0.4%
12 Romania 1 0.2%