Year annual % 1991 195.003978593043 1992 199.858895609549 1993 227.308735779621 1994 139.023070589532 1995 43.9334732007336 1996 44.0022839129308 1997 135.338399472194 1998 48.1345197660485 1999 49.5224630026867 2000 43.1807891473077 2001 37.9563154083491 2002 22.7142690496692 2003 23.1532554708977 2004 15.4565958769332 2005 12.0069901176313 2006 10.6065793571017 2007 15.8162274724437 2008 16.0155798889218 2009 4.08677823184487 2010 5.91030034291626 2011 3.97694334974207 2012 3.80309318523845 2013 1.38968711500371 2014 1.71026429315515 2015 3.26475427441173 2016 2.62128680850675 2017 4.65196859673524 2018 6.21227261174357 2019 6.80532496653751 2020 4.10931518447222 2021 5.445500855711 2022 13.2010599153898 2023 12.1651300078478