Year	number of people
2009	5164400
2010	5166400
2011	5749400
2012	8102400
2013	11437400
2014	14725000
2015	15280500
2016	13476700
2017	14856502
2018	14691200
2019	15799331
2020	16401177
2021	18649100
2022	20404100
2023	22862720