Year number of people 2009 433000 2010 433000 2011 600000 2012 3000000 2013 6500000 2014 7600000 2015 6600000 2016 6326000 2017 6784000 2018 6119000 2019 6495000 2020 6568000 2021 6662000 2022 6865000 2023 7248000