Year annual % 1984 13.062230437461492 1985 26.430517711171664 1986 7.456896551724138 1987 10.81026875250702 1988 30.986425339366512 1989 34.931601492331076 1990 10.476190476190476 1991 29.57916203188728 1992 13.52743400815509 1993 22.36925015752993 1994 23.341915550978374 1995 35.63227988143448 1996 8.950997291307559 1997 58.94168832636456 1998 13.944435556977549 1999 32.046362161487586 2000 17.374508251916783 2001 7.852357899513865 2002 43.1163098617962 2003 5.0809835738184335 2004 16.173034181562276 2005 12.989192903160232 2006 18.66310122485802 2007 11.775737961518775 2008 26.170906624964594 2009 25.844590852216225 2010 16.643789612273704 2011 4.388710165375866 2012 5.790176609647769 2013 3.7465390847699216 2014 25.914976606311818 2015 3.8872793993662516 2016 23.534431065678486 2017 17.327356507752956 2018 6.550358878358654 2019 12.42647408080041 2020 28.001640437659418 2021 3.2038907908866654 2022 10.539414667491293