Year Number 1972 1003000 1993 1320775 1994 1341314 1995 1369314 1996 1394080 1998 1464242 2014 1638605.75 2015 1661375 2016 1682911.25 2017 1694959 2018 1725546.625 2019 1705071 2020 1732822.5 2021 1725281 2022 1737205.75