Year	annual % growth
1971	-3.532836687126334
1972	14.895064955120631
1973	21.090688761597747
1974	-8.538309508702483
1975	-45.305701033929694
1976	29.65289060084615
1977	33.99611249469535
1978	6.569270463573602
1979	7.4673870512215785
1980	10.696338388308476
1981	3.6127086244733135
1982	1.2896545826800434
1983	-19.09108583172508
1984	-20.391898172247082
1985	-1.9926721707936252
1986	17.925723921652875
1987	28.614232669697117
1988	21.78010959155634
1989	1.9900051545671715
1990	10.639410930790277
1991	-0.20254467420892297
1992	3.1846421179636053
1993	-8.707224159544523
1994	12.146568737770977
1995	6.01637398410935
1996	4.156157443935982
1997	13.038342248471295
1998	12.335180579758003
1999	7.5366301964779865
2000	1.540239060477333
2001	1.8695166009442943
2002	-5.663060843162782
2003	-9.853408292828703
2004	4.747026392552641
2005	-0.5752371665190736
2006	-0.19860465814403483
2007	3.8473210761491288
2008	0.8478335845844924
2009	-11.831607957870958
2010	2.920053789286527
2011	-13.641262680667339
2012	-17.38533593274728
2013	-5.055748940049597
2014	4.065784917036638
2015	5.910112164934617
2016	2.5312327815231868
2017	11.88950590087019
2018	7.837987760559685
2019	3.2818752204543387
2020	-4.718509099740331
2021	11.421817247937582
2022	3.465316654128813
2023	0.9679356772642933