Curious about hcg levels

Michelle • 33 year old from Australia , currently pregnant with baby #4 a boy..miss 7 mr 5 miss 1 and prince due 26/01/17
Hi ladies , 
I'm curious about hcg levels and how much they are different women to women . 
Post what yours where if you remember and right either singleton or twins 
Mine (not sure if single or twins )
10 dpo 48
14dpo 476
16dpo 1291
18dpo 3717
Iv had bloods drawn again today as Iv had bleeding . So waiting for my results . 
My are doubling every 31 hours or so