Year annual % 1992 226.005421253526 1993 85.0047512387156 1994 22.5650526933696 1995 7.79321853789217 1996 12.7254778087103 1997 33.1802743753956 1998 20.6428588670596 1999 0.389437653561617 2000 0.0500181363468309 2001 3.10758827031434 2002 7.77052583431552 2003 0.48400261181847 2004 2.28001916938101 2005 2.36658195679796 2006 2.37072831904282 2007 2.93268248162323 2008 3.32087090389264 2009 2.26692209450831 2010 3.62604695579816 2011 3.42912324722163 2012 2.03159268395301 2013 1.93762080205229 2014 1.6258650440261 2015 1.89617402592365 2016 1.2754316836741 2017 1.98666133171199 2018 2.02805963071136 2019 1.41109078954246 2020 1.62088661717011 2021 2.04147163139549 2022 6.72520271530048