Year number of people 2009 175000 2010 226000 2011 464000 2012 385000 2013 307000 2014 334000 2015 2509000 2016 1974000 2017 2014000 2018 2324000 2019 3635000 2020 3635000 2021 4289000 2022 4523000 2023 4516000