Year annual % 1990 2.50712717932487 1991 20.2552482799203 1992 12.6430163629807 1993 11.153806148174 1994 8.36035028307822 1995 0.767657765082319 1996 4.65632948783248 1997 4.10041409895274 1998 -1.13798307782147 1999 2.75330661293813 2000 2.03241260876266 2001 50.8928274402156 2002 0.497535125844891 2003 0.465988093332186 2004 9.97004009841692 2005 9.15817054861404 2006 9.54231878924602 2007 10.7250137594501 2008 11.5651624727837 2009 12.41242379451 2010 3.29537815566177 2011 12.6287980478211 2012 6.9372127595247 2013 6.74659962921251 2014 4.18319658900101 2015 7.92990810478689 2016 0.218876276141572 2017 2.14358292337704 2018 3.28221513262272 2019 -1.30973757371325 2020 -3.36532461650745 2021 2.73206218771489 2022 3.1938627022308 2023 2.87239749184663