Year	annual %
1981	12.4424368936176
1982	10.2217271376892
1983	8.66927159808522
1984	8.08032017255761
1985	6.80756655768333
1986	5.822666961752
1987	5.71011938486679
1988	7.113406529313471
1989	6.92390503711238
1990	8.06346090938833
1991	8.99693873494331
1992	7.636108523369745
1993	7.14458706876256
1994	10.2479355556119
1995	9.07738095238091
1996	6.526095693725795
1997	5.554129889494055
1998	5.09729149331441
1999	3.04194667094533
2000	3.43351563418767
2001	3.836572620525435
2002	2.907998570322075
2003	3.02504526252236
2004	3.51799903099596
2005	4.10725070715931
2006	4.2671746339026395
2007	4.810237043429115
2008	8.94995335353387
2009	2.860448559026715
2010	3.32634463368643
2011	4.822396360133251
2012	3.72532666110646
2013	2.65167342916577
2014	2.35449052820358
2015	1.44385719270808
2016	1.605539174142135
2017	2.25427651934813
2018	2.450362438501695
2019	2.20607305781525
2020	1.93694126694223
2021	3.44527766461135
2022	7.98518671835033
2023	5.80113321465538