Year annual % 1990 8.91406346285557 1991 7.58132868312238 1992 4.36811548625116 1993 3.88595185807743 1994 3.54247357636952 1995 4.92524449399963 1996 4.5076232078974 1997 2.56737468974622 1998 2.40262167809806 1999 1.5361284470883 2000 1.79239796601405 2001 3.03359202588445 2002 3.27434188043023 2003 3.1478079285654 2004 2.67018368106109 2005 2.01055790083582 2006 2.12485391464755 2007 2.47899476586151 2008 2.40070344440197 2009 1.67883895982297 2010 0.436360537541674 2011 1.60717698349345 2012 1.54730144037734 2013 1.14761015891955 2014 0.913241261981469 2015 0.931863574759717 2016 1.13435002037254 2017 0.726343220957816 2018 1.06813204686947 2019 0.938114135013862 2020 1.57917145706057 2021 1.25837145663145 2022 3.60458016609203 2023 5.27321445450562