Year	%
1989	4.3
1992	3.9
1994	3.7
1996	3.8
1998	3.3
2000	3.4
2002	4
2004	4
2005	3.8
2006	4.2
2008	3.9
2010	4.6
2012	4.4
2014	4.7
2016	5
2018	5.2
2020	5.3
2022	5.6