Year annual % 1989 61.3325965106187 1990 35.642982971227 1991 13.4415584415586 1992 9.86452966991032 1993 6.26722241519029 1994 6.7844807862023 1995 19.5939189878584 1996 13.0244156963462 1997 27.5088624491449 1998 90.9807345622878 1999 125.27212839928 2000 25.0846414281315 2001 7.81180794783471 2002 10.6313446323333 2003 15.4893529233525 2004 10.4622667314208 2005 7.16541759946639 2006 6.54559439052787 2007 4.66197269469701 2008 7.62880887577516 2009 0.141187674980385 2010 5.98254521550082 2011 7.5689885610998 2012 4.2551267783209 2013 6.37142717782947 2014 4.12924306873771 2015 1.27735427102992 2016 1.59691227583204 2017 0.825478607568026 2018 2.04039266890201 2019 3.32255881256925 2020 5.10407262959919 2021 3.75562036658877 2022 22.9562225132056 2023 31.2301341732646