Year annual % 1996 4.58645091367849 1997 3.41817197375282 1998 1.0963881711407453 1999 1.6195568988054134 2000 4.542959576396171 2001 2.1598828462148276 2002 2.8358134931509227 2003 3.3010252848406196 2004 5.204444954849393 2005 5.697179205448521 2006 5.976455072808307 2007 7.377660010299735 2008 4.772498670262522 2009 1.5000404507601104 2010 6.3738697583549 2011 7.1473104741420315 2012 4.79500364703118 2013 4.442722058821772 2014 3.686749422381027 2015 2.8493987026214853 2016 3.531804763548976 2017 4.903829074629044 2018 4.285941337113599 2019 3.3542707534217016 2020 -4.560202920112303 2021 9.187810947570966 2022 4.198754738945269