Year annual % 1991 132.57042895205603 1992 873.6428676076881 1993 84.80552699270908 1994 39.66900781435422 1995 31.40857154276543 1996 22.539484449835086 1997 9.922472833000896 1998 6.894504691158602 1999 6.461017542573643 2000 3.684706448518199 2001 6.800473036742275 2002 4.857663032293601 2003 3.8886139103935875 2004 4.69046936929665 2005 5.923749594664727 2006 8.9785794608664 2007 12.35838818408574 2008 6.802523429492638 2009 -0.38868174267153677 2010 1.8223523042534566 2011 5.473736785227402 2012 4.072175622737078 2013 4.0312499901982335 2014 2.9156133231875714 2015 1.03644083022607 2016 2.187309907464382 2017 3.590365014790976 2018 4.837779415239709 2019 3.6059479765011275 2020 -0.9074538121858922 2021 5.950322689140492 2022 16.070325134921617 2023 7.883628660450384