Year	Percent
1990	4.988
1991	4.997
1992	4.979
1993	4.909
1994	4.789
1995	4.7
1996	4.63
1997	8.31
1998	7.53
1999	7.25
2000	5.4
2001	6.55
2002	6.11
2003	4.94
2004	5
2005	5.55
2006	5.4
2007	6.68
2008	4.94
2009	5.61
2010	5.15
2011	4.77
2012	3.71
2013	3.52
2014	5.06
2015	3.08
2016	2.4
2017	2.359
2018	2.318
2019	2.276
2020	2.235
2021	2.194
2022	2.153
2023	2.112
2024	2.071
2025	2.029
2026	1.988
2027	1.947
2028	1.906
2029	1.865
2030	1.823