Year annual % 1993 10.003970559748794 1994 17.607568667532547 1995 -2.3015662194791844 1996 3.467072337911574 1997 6.791957738292993 1998 0.6732851914620142 1999 -1.3488058253082897 2000 -4.80669384957217 2001 5.602755003847676 2002 -0.5793280533378891 2003 -6.6185949317705735 2004 -2.656005849194841 2005 0.24631912482082896 2006 -2.591307535591554 2007 -0.12866611471376643 2008 -12.23909796288983 2009 1.2333990321520503 2010 0.10492683561311367 2011 5.683164494354415