Year % 1982 5.223726016926789 1983 2.785645007551715 1984 4.741481059206437 1985 2.623264399870624 1986 5.061915281395223 1987 5.263422100695503 1988 6.4671760539241685 1989 2.628577491851278 1990 7.7984279577148 1991 3.3121682946992883 1992 6.836389293254855 1993 9.002863364934772 1994 3.689132052541535 1995 10.633450499388474 1996 7.9072178889230065 1997 9.589633934792506 1998 8.516127849740442 1999 8.640135632225538 2000 13.70790617699414 2001 8.870512021256744 2002 10.102438376694021 2003 15.090697987919128 2004 4.961301540675444 2005 11.533434153810154 2006 6.970327460494591 2007 7.5281558013436 2008 7.443393749995999 2009 1.8660251427849563 2010 9.13092814954586 2011 7.036470594378928 2012 11.22470262264287 2013 5.317814013592133 2014 9.26204483088238 2015 1.730795516385575 2016 4.416291317928967 2017 11.501801361213824 2018 4.952356543849959 2019 2.925515093964172 2020 8.124913964444385 2021 3.1758509480557016 2022 2.8716379498228237 2023 2.9838377670123477