Year annual % 1996 2.752309960699023 1997 7.18521201166152 1998 5.880447509091667 1999 4.3230146662979365 2000 4.346755347919057 2001 3.0802078883542094 2002 1.1131507417466509 2003 -0.3020519644705928 2004 4.1880739082442915 2005 1.037878575194128 2006 2.9020409289748414 2007 3.942776982852507 2008 -0.8794920167715503 2009 -7.3616586508280335 2010 2.238482794882529 2011 0.43320031805158976 2012 -2.1539005631380945 2013 -1.0338753890820556 2014 0.3231007490387583 2015 1.3587031888381915 2016 1.9162399165281556 2017 2.3470153451661417 2018 1.6269216586589152 2019 1.0110424409775618 2020 -0.8377306720219622 2021 2.498990858244568 2022 -0.4777777773837215 2023 -2.3007232910449886