Year annual % 1971 3.7064192996911487 1972 4.3008302843186215 1973 4.260328430988466 1974 0.6468266922744874 1975 0.9599018144225084 1976 3.2212961740541743 1977 1.9178470551051987 1978 2.4686801830161187 1979 2.9895406815643213 1980 1.0498077072027172 1981 -0.188548978660819 1982 0.22864856043153736 1983 0.8108137811077398 1984 0.9616640346253149 1985 1.9270169884626966 1986 3.4329420379199007 1987 3.1177814206594547 1988 3.2492741521127755 1989 2.6652328027749803 1990 2.3775002691484417 1991 0.6857025437830231 1992 1.282901818471771 1993 -0.23191793712344122 1994 1.2591092943990958 1995 1.6643753569454134 1996 2.4611216946721157 1997 2.672864467941679 1998 2.9066950095704414 1999 2.9258885335639064 2000 3.3056600933228424 2001 2.0388869295324525 2002 1.5800410441069346 2003 1.979575300230536 2004 2.689210584558708 2005 2.674329321916872 2006 2.388562723814246 2007 2.9737704586347604 2008 0.7428584932049915 2009 -2.1436428235338383 2010 1.5293942737152832 2011 1.111713349295357 2012 0.2698847411177354 2013 0.5274664138826779 2014 0.991173777083489 2015 0.9572546888783222 2016 1.7354170733594287 2017 2.054246393494651 2018 1.6711319040396688 2019 1.3975486545895421 2020 -7.4498251649916085 2021 5.926057962159064 2022 4.86777369953802 2023 1.3708416016307723