Great_Wall wind_speed 1985 13.5 14.1 13.5 14.8 15.6 14.7 20.1 14.3 18.2 16.5 13.1 13.4 1986 13.9 11.4 14.0 13.5 17.9 17.3 15.6 16.2 16.5 15.8 15.4 14.1 1987 12.3 12.5 16.4 15.5 17.2 15.4 14.0 14.5 15.8 18.2 18.0 13.7 1988 11.9 15.3 16.2 13.8 13.0 19.3 14.4 13.8 14.8 16.8 12.7 13.6 1989 12.5 11.4 14.9 18.6 17.5 17.8 19.3 16.8 22.2 21.6 12.8 13.6 1990 13.8 14.5 17.0 17.0 13.2 16.4 15.0 17.0 16.3 15.4 16.8 11.9 1991 14.0 15.3 14.1 14.5 14.6 13.8 15.8 15.9 14.9 17.4 15.7 14.8 1992 12.8 14.8 13.7 13.4 14.3 12.5 14.0 13.3 16.0 14.9 15.6 13.0 1993 12.5 12.4 13.7 14.9 18.5 16.1 14.3 14.8 16.9 18.6 17.2 10.9 1994 13.6 15.7 14.4 14.8 12.3 12.3 14.7 16.5 15.9 14.9 11.6 11.4 1995 12.8 12.4 15.2 14.9 16.2 13.6 12.9 13.2 13.5 13.2 13.4 11.5 1996 12.8 12.4 12.1 10.6 13.1 14.2 17.8 13.8 15.0 16.7 15.2 13.9 1997 13.4 11.5 16.2 14.4 14.9 12.1 13.4 14.2 13.0 13.8 12.1 8.4 1998 10.1 12.2 12.2 18.1 13.0 11.6 14.1 14.0 14.3 14.0 14.4 12.0 1999 11.3 14.1 14.1 20.2 13.5 16.7 16.5 17.7 15.5 16.4 14.9 12.2 2000 12.6 11.3 14.5 17.5 14.7 16.1 12.6 16.2 17.5 17.1 11.9 14.1 2001 11.7 14.0 14.0 16.0 16.1 17.2 14.0 20.6 17.8 21.6 16.7 16.3 2002 11.0 11.7 8.7 11.7 11.5 13.0 14.1 15.0 13.9 16.3 12.2 13.9 2003 10.1 13.1 14.3 14.1 13.9 11.8 15.0 17.4 15.4 18.1 12.0 13.2 2004 12.7 11.8 14.0 15.3 15.2 15.6 18.5 20.5 18.0 17.8 15.3 15.5 2005 12.1 17.3 15.5 12.4 11.6 14.4 12.9 14.4 12.9 16.0 14.6 12.6 2006 10.1 13.2 14.1 12.9 17.8 13.7 15.7 13.8 15.2 14.8 13.9 13.5 2007 10.8 11.4 11.8 15.3 14.4 12.9 11.7 16.1 14.3 16.6 12.7 13.4 2008 13.2 14.2 12.7 15.2 15.0 17.3 16.0 17.0 16.6 15.2 13.7 16.8 2009 13.3 13.7 14.1 12.8 17.7 15.2 13.4 13.6 15.1 19.3 12.9 13.8 2010 13.7 14.0 15.3 16.5 16.5 18.2 17.2 15.8 15.3 18.3 16.7 14.9 2011 13.6 14.8 15.0 14.9 14.2 15.9 12.6 9.5 15.7 15.8 15.8 14.2 2012 12.3 12.6 12.2 17.4 12.8 20.5 14.2 16.7 19.0 15.9 13.7 8.7 2013 12.8 12.7 12.6 15.5 15.2 14.4 16.2 16.1 14.0 14.6 14.9 10.2 2014 11.3 13.8 14.2 13.8 15.5 13.9 14.2 15.4 11.8 16.8 18.0 11.8 2015 12.1 12.5 13.2 13.4 12.6 16.0 13.7 14.8 17.7 16.5 16.1 14.1 2016 12.5 13.3 14.8 15.5 - - - - - - - - 2017 - - - 14.4 14.5 22.0 20.2 20.7 36.7 19.0 14.1 16.7 2018 22.0 27.4 30.1 28.1 28.1 25.0 32.2 30.9 33.8 28.3 31.8 28.3 2019 23.1 - 25.9 32.0 29.0 29.1 21.4 24.9 - 33.8 28.7 21.0 2020 20.0 25.9 27.2 30.5 24.6 26.2 27.8 40.6 31.5 29.8 33.0 28.1 2021 - 29.8 30.4 - - - - - - - - - 2022 - - 29.9 - - - - - 37.5 34.5 - - 2023 - - - - - 31.3 28.9 - - 39.3 30.7 - 2024 - - - - - - - - - - - -