Year % 1980 0.7177697452818808 1981 -6.721451347935506 1982 2.6177025619921963 1983 8.74661792627496 1984 5.011927146606173 1985 7.0132560018608165 1986 4.881395919920303 1987 4.9709026920433255 1988 3.7141685449142656 1989 5.38534730107708 1990 3.510706604674593 1991 7.59784645625804 1992 5.19159798742802 1993 8.126660351059206 1994 4.395984906528516 1995 10.029090094503491 1996 10.213138098689459 1997 5.956906648956381 1998 8.38695837685433 1999 8.20049685167023 2000 17.883652718486232 2001 7.493374094411753 2002 7.167938677815307 2003 10.37383558395467 2004 6.176204042692275 2005 11.851158539424354 2006 -4.2635096165767035 2007 2.7780763659085443 2008 7.115303336823379 2009 5.541127835588145 2010 8.044252484716486 2011 3.5826678144237247 2012 9.56594649743561 2013 8.479577374834728 2014 7.815341210513222 2015 9.467940947113641 2016 7.933369209202205 2017 4.145068359960641 2018 9.020360358606382 2019 8.442367569641558 2020 14.206165829681556 2021 10.830815824632516 2022 3.509972625962413 2023 0.534409629195501