Year base year varies by country 1989 0.0007635646320619646 1990 0.0008849936378924947 1991 0.002023358933726638 1992 0.032179873282731815 1993 0.31788589715531373 1994 1.294743082263382 1995 3.159262032843064 1996 4.613671833815303 1997 5.308421774971892 1998 6.292548354204368 1999 10.847510505128774 2000 14.936797228174973 2001 17.39832455550568 2002 20.123233846108704 2003 22.871491423335126 2004 27.50414622173928 2005 32.80678942670868 2006 37.76730939082487 2007 42.99477303805336 2008 50.73964436239095 2009 51.73952618894361 2010 59.081939040805274 2011 73.53343217739676 2012 80.08369356111508 2013 84.34425727269696 2014 90.66170212549882 2015 97.23443609819708 2016 100 2017 105.34981508767618 2018 115.88266506573252 2019 119.66407034081206 2020 120.73894809862851 2021 144.17629654082117 2022 168.27575963808178 2023 180.17891640710235