Year	annual % growth
1981	8.688896446781229
1982	6.916702747335776
1983	1.8491727869240009
1984	2.9960904039269707
1985	1.4896044066761789
1986	2.9811091411294797
1987	3.572350118083307
1988	2.328371288853532
1989	3.294047470786694
1990	2.779357068415564
1991	8.42043548755764
1992	6.22628596099068
1993	4.201324214466467
1994	-4.2596303721832385
1995	4.852218330908414
1996	5.057501867352528
1997	4.199467262477526
1998	2.1481446145123755
1999	3.6766019923225173
2000	3.92459924509663
2001	3.2078414509776536
2002	1.1957682016998916
2003	6.928295994716024
2004	10.364379807056267
2005	2.1332180945788224
2006	5.526791976361054
2007	7.446068279974497
2008	5.148295250061835
2009	6.045119075625934
2010	4.6024071533952196
2011	7.44086973366565
2012	3.8729826393011564
2013	7.307106765783217
2014	7.210405945868743
2015	7.272554538397458
2016	2.285299846207579
2017	-0.9199857726202509
2018	-1.0407751797781373
2019	1.0170847542371604
2020	-5.629094266125804
2021	1.9470371143445817
2022	2.221736287372437
2023	2.70675958037441