PERIOD	VALUE
1997	592861
1998	624661
1999	636859
2000	722701
2001	761236
2002	797661
2003	851642
2004	941784
2005	1066333
2006	1219076
2007	1362554
2008	1848495
2009	1965974
2010	2043681
2011	2000308
2012	2009889
2013	2021520
2014	2015136
2015	2012966
2016	2115712
2017	2221590
2018	2277061
2019	2356716
2020	2660521
2021	2816896
2022	2873937