Year annual % 1990 22.2452545991635 1991 62.2303650365593 1992 1310.30881561465 1993 15444.4204230537 1994 6041.47404707409 1995 162.73388551076 1996 43.0302705009227 1997 6.53497517117418 1998 6.94032134027844 1999 9.72884175944706 2000 4.67821081510431 2001 5.37434640155622 2002 5.91907467017472 2003 3.42601021010252 2004 8.4336944783275 2005 7.93510297063291 2006 8.44730526034763 2007 9.46750810327333 2008 9.5923273865413 2009 -2.13576824299331 2010 14.2076974139645 2011 9.17171128297396 2012 0.291166471422628 2013 -0.650965016455302 2014 4.58990448370156 2015 5.37742167651898 2016 2.27481842989697 2017 7.54674499838114 2018 3.48481628679124 2019 3.99568034557234 2020 6.84793338769904 2021 10.229587650373 2022 8.13545014384806 2023 2.477583932711