Year annual % 1990 2.65716286284953 1991 2.54708482952901 1992 1.96705575674531 1993 1.62350295323319 1994 0.924864157993113 1995 1.12478837456173 1996 1.35807806646662 1997 0.878201639970939 1998 0.950262691440912 1999 0.203811154729848 2000 1.5532902530466 2001 2.00833418538838 2002 2.0674257413845 2003 1.85936824410877 2004 1.62267544006134 2005 1.93634141901367 2006 2.15532739127715 2007 2.5566370154462 2008 2.36707384043675 2009 0.0666274760496037 2010 1.06969747621216 2011 0.947960225382971 2012 1.16182503173519 2013 0.778100531144062 2014 0.576944232991778 2015 1.13824878533235 2016 0.522559343400445 2017 0.521577263305687 2018 0.9922245663778 2019 1.27859214632949 2020 2.83987619551208 2021 1.42394826984793 2022 2.94721692911406 2023 5.47233330398709