BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 222 57.2%
2 Sweden 71 18.3%
3 United States 66 17%
4 Canada 10 2.6%
5 Germany 5 1.3%
6 Hong Kong 3 0.8%
7 Korea, Republic of 3 0.8%
8 Singapore 2 0.5%
9 Italy 2 0.5%
10 Japan 2 0.5%
11 Russia 1 0.3%
12 Ukraine 1 0.3%