One period since BC

Hi! :)

2013 I started birth control had it until last year Oct 4th. Some bleeding afterwards, a period in December for 6 days (Beginning of month) but haven't had a period since then. All pregnancy tests I have taken are negative (hcg ones from Amazon box of 100 for $20)

Before 2013 my periods were random but always monthly sometimes skipped a month. Sometimes 2 but that wasn't as common.

I know my periods will take time to get balanced after birth control but just curious how long for you ladies did it take to get back to "normal" Or have one?