Year Persons (Millions) 1992 21.360 1993 21.853 1994 22.282 1995 22.690 1996 23.130 1997 23.867 1998 24.231 1999 24.583 2000 24.488 2001 24.813 2002 25.116 2003 25.428 2004 25.707 2005 26.021 2006 26.313 2007 26.664 2008 27.072 2009 27.533 2010 28.001 2011 29.123 2012 29.555 2013 29.994 2014 30.493 2015 31.023 2016 31.575 2017 32.121 2018 32.657 2019 33.256 2020 33.905 2021 34.559 2022 35.271 2023 36.025 2024 36.745 2025 37.480 2026 38.230 2027 38.995 2028 39.774 2029 40.570