D_10 pressure 1980 - 957.1 952.6 957.6 954.2 - 966.9 953.2 952.1 944.2 957.9 955.5 1981 - 951.8 - 957.4 - - - - - - - - 1982 - - 945.5 946.1 953.8 956.7 963.3 943.1 940.0 - - - 1983 959.7 955.5 949.9 951.8 956.3 958.2 947.9 - 949.7 941.6 949.4 - 1984 - 954.8 952.0 952.7 960.7 - 953.6 959.9 946.0 945.4 950.0 964.4 1985 - 951.8 955.0 - - 957.5 - 953.3 - 946.9 - - 1986 956.0 966.1 954.0 - 956.9 950.4 950.5 954.5 - - - 952.5 1987 960.8 952.0 949.5 953.9 948.1 959.4 957.3 939.1 948.8 - - 954.7 1988 956.2 950.5 950.4 951.5 957.7 960.9 945.8 950.1 952.2 956.5 950.7 948.6 1989 956.3 951.1 948.5 954.0 943.0 949.2 951.9 957.2 952.9 950.1 946.3 957.5 1990 955.5 948.8 951.5 961.3 958.4 956.9 956.5 953.6 941.4 - - - 1991 - - - - - - - - - - - - 1992 - 959.1 952.0 951.1 954.6 961.2 949.1 953.1 943.5 949.1 948.6 952.3 1993 958.9 952.7 - - - - - - - 942.4 945.5 950.9 1994 952.2 951.4 948.5 950.8 954.3 - - - 956.4 949.0 951.9 948.7 1995 951.5 950.6 951.2 948.1 945.9 - - - - - - - 1996 - - - - - - - - - - - - 1997 - - - - - - - - - - - - 1998 - - - - - - - - - - - - 1999 952.8 952.2 952.9 942.2 945.8 - - - 950.9 942.3 946.3 944.9 2000 948.4 951.4 951.5 951.1 943.7 953.9 - - - - - 959.8 2001 954.4 953.4 - 950.7 959.9 950.2 - - - 945.1 - - 2002 957.0 - - - 961.1 957.0 - - 948.1 956.4 - - 2003 - - - - - - - 945.0 949.7 950.9 949.2 961.9 2004 952.1 955.7 947.0 - - 948.0 - - - - - - 2005 - - - - - - - - 951.4 946.6 - - 2006 - - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - 952.5 958.5 957.6 951.9 957.3 953.8 946.0 941.6 950.3 952.3 2009 949.9 957.0 953.0 956.5 959.7 960.7 960.7 951.9 960.2 950.5 954.7 952.9 2010 959.5 955.0 952.8 950.3 955.3 950.1 946.3 949.4 948.2 945.3 944.6 960.8 2011 959.7 950.4 954.3 956.1 946.3 955.2 955.9 957.6 952.2 948.1 954.0 948.9 2012 948.2 956.4 951.7 952.9 952.6 960.1 949.5 950.9 948.6 949.1 958.1 955.7 2013 955.4 948.8 947.0 952.1 954.7 960.8 953.1 957.4 958.8 949.2 952.3 952.8 2014 957.9 953.9 950.0 951.2 - - - - - - - - 2015 952.4 950.4 945.6 948.4 949.7 954.2 948.7 947.8 945.4 947.4 944.2 952.7 2016 948.3 950.9 943.7 - - - - - - - - - 2017 959.3 955.8 956.6 951.5 953.1 949.9 951.7 947.5 949.0 949.7 951.8 952.8 2018 949.8 953.0 954.1 956.2 956.9 963.3 955.0 953.0 946.0 947.1 951.0 952.6 2019 953.4 956.1 950.2 952.8 956.7 949.1 954.5 951.8 947.2 952.1 960.1 961.6 2020 959.3 955.2 948.4 959.3 950.1 954.3 955.6 957.9 954.8 948.9 949.0 947.1 2021 952.3 951.7 955.7 946.1 953.9 957.9 961.2 952.7 946.3 957.7 947.4 951.7 2022 956.3 953.6 953.5 949.8 957.4 959.0 958.5 950.5 951.3 953.6 944.3 950.1 2023 948.5 955.5 950.8 959.9 946.6 960.9 949.6 - - - - - 2024 - - - - - - - - - - - -