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 United States 118 44.5%
2 China 86 32.5%
3 Germany 20 7.5%
4 Canada 14 5.3%
5 Sweden 9 3.4%
6 Korea, Republic of 8 3%
7 Ireland 6 2.3%
8 India 1 0.4%
9 Russia 1 0.4%
10 Singapore 1 0.4%
11 Spain 1 0.4%