Year annual % 1991 55.25599479747589 1992 38.625466947497216 1993 30.642796396941435 1994 37.23403480939098 1995 27.937647830207496 1996 17.9523422828688 1997 13.666545345909341 1998 11.021748808836236 1999 6.164509525373504 2000 6.123362842105436 2001 3.1197680938462895 2002 1.8502203311287388 2003 0.7760357144556167 2004 4.91662799719515 2005 2.5591955066874874 2006 1.7284250464836504 2007 3.71708701568933 2008 3.8943384599229773 2009 3.7855516158771962 2010 1.5633507717247994 2011 3.1160638782640007 2012 2.224247726453882 2013 0.21966513465517323 2014 0.4654614793884235 2015 1.3170429366464447 2016 0.0872763880105083 2017 1.7621062896566713 2018 1.2296409542444877 2019 3.032536648907154 2020 4.255038941385465 2021 5.260960040300631 2022 10.618433723939049 2023 10.72823570646959