Year	annual %
1971	5.611672063475595
1972	5.897933680642595
1973	13.980099679576057
1974	18.08781729339661
1975	5.312412304320816
1976	8.02874440722006
1977	8.57940941126563
1978	4.650019603265605
1979	13.512227826383636
1980	24.158081473748155
1981	9.577975179868133
1982	7.287149229857334
1983	4.736921435213958
1984	8.181919734451967
1985	3.6666578554134475
1986	7.185437902255501
1987	3.8618487069356178
1988	4.532320473985109
1989	5.607915377981868
1990	6.205353073071308
1991	8.11890514430118
1992	5.355399289815253
1993	4.8031329873566335
1994	6.555430511224188
1995	5.403201463910705
1996	4.488755815117784
1997	2.7541005236664233
1998	1.9656797111853734
1999	5.8113604228332605
2000	3.4099293453386963
2001	6.232012515473116
2002	3.6131613542673904
2003	5.38767398576752
2004	4.345881628206328
2005	3.9480996996314133
2006	6.57512374147187
2007	8.308315279286589
2008	7.256763879788551
2009	1.954558245136127
2010	3.1656946955337446
2011	3.1614637980007956
2012	3.440880300341618
2013	2.276171307765921
2014	1.7153042313852183
2015	1.7137541898800421
2016	1.6974558006058444
2017	2.14018364039309
2018	2.3479541271693662
2019	1.6723919136926284
2020	0.517914420517684
2021	3.9417214805177494
2022	7.699067358013977
2023	4.564525794286837