Year annual % 1992 8.4827156680565 1993 14.45520548243309 1994 11.737661253141923 1995 10.648270886487381 1996 12.490480699872423 1997 8.717547187967469 1998 11.127776032278238 1999 8.302682185768738 2000 9.328214084585703 2001 -0.2769644614601775 2002 0.5496486747584193 2003 6.276548166321853 2004 8.22522262904773 2005 5.132799035665744 2006 14.385583156546769 2007 15.240655132892138 2008 2.8811662496154753 2009 6.146319236106106 2010 6.908698876286194 2011 11.863712202951405 2012 9.340468170954752 2013 10.484097124234253 2014 8.513625953003997 2015 6.767250748799274 2016 6.5340454932775005 2017 12.797624419012715 2018 3.9052394714335845 2019 4.812193635717777 2020 6.035561774664531 2021 3.197339628286159 2022 3.26959719122442 2023 3.872244589351085