Year annual % 1983 4.707611750072388 1984 0.4599773184146301 1985 -3.5285895343313882 1986 0.8461134854297825 1987 4.401502789069298 1988 8.109229839986455 1989 5.961581861814153 1990 5.930399577613727 1991 5.662852402752193 1992 2.138183820851822 1993 9.888519539427222 1994 6.361667759261394 1995 12.059629560053025 1996 9.408577809514512 1997 5.6483685874201655 1998 5.064398611196964 1999 7.9394652903325635 2000 1.6203102957577755 2001 3.8203001978375255 2002 9.789422377001785 2003 6.575199300679358 2004 6.1380128385671355 2005 6.088930422892631 2006 11.276629587724301 2007 8.998614545822818 2008 8.844018805139271 2009 6.982699902231843 2010 5.57217624234228 2011 9.525932398084407 2012 3.2394913671238896 2013 3.4945906643552007 2014 4.925935233853323 2015 5.622576103967901 2016 4.91968285168727 2017 2.51548539011948 2018 5.755042393685116 2019 6.659528776446578 2020 3.5412838912479288 2021 3.3597305318741064 2022 4.616428055616794 2023 5.39474601859709