Year annual % growth 1996 2.49661300691308 1997 5.792938917792625 1998 -0.11936234930062994 1999 9.034314548529835 2000 3.8219744176542463 2001 5.336050475079432 2002 3.6449527655346543 2003 7.204871243045503 2004 8.020675028635594 2005 11.715871462183443 2006 9.391019759203871 2007 8.976040117456137 2008 12.164559135843149 2009 -1.0923064280549397 2010 2.92411652522307 2011 6.944203380456514 2012 6.338030021669354 2013 5.245896833576296 2014 1.999070209708492 2015 5.7789800958206285 2016 6.5639997801536225 2017 6.0226677624335 2018 9.409090081877267 2019 6.722886308166238 2020 -3.530899517221968 2021 2.640261766552541