Nico pressure 1993 - 670.4 670.7 667.6 663.9 663.6 660.1 - 662.1 662.5 673.1 671.9 1994 679.0 670.3 664.8 671.7 663.9 680.7 665.9 660.6 666.2 667.4 675.1 671.2 1995 671.7 672.2 671.7 665.5 661.5 670.2 676.2 665.8 - 669.5 673.9 673.9 1996 678.6 678.8 668.6 670.6 666.6 666.8 665.3 676.8 671.1 662.2 677.7 680.8 1997 678.8 672.6 664.2 668.8 663.1 668.8 658.0 663.1 665.5 666.5 683.0 678.1 1998 676.9 674.1 668.4 658.0 665.0 669.4 664.0 662.4 664.7 666.0 668.4 673.5 1999 681.4 675.3 670.6 661.5 664.7 678.3 665.1 664.9 669.1 661.8 669.8 669.2 2000 671.8 670.2 670.5 669.5 666.2 671.0 666.6 666.2 668.3 662.0 677.9 682.0 2001 677.8 677.9 668.3 665.7 670.4 669.5 669.3 659.5 667.4 662.9 671.8 674.1 2002 677.5 671.2 674.8 669.0 - - - - - - - - 2003 - - - - - - - - - - - - 2004 - 679.4 665.7 669.7 666.9 - - - - - 671.8 682.6 2005 681.3 671.2 671.7 666.9 668.4 671.9 663.6 660.4 665.4 665.9 670.4 687.2 2006 678.3 673.7 670.3 670.2 660.8 667.2 659.2 675.6 667.4 660.0 672.0 673.2 2007 681.1 671.0 671.1 670.0 674.6 674.0 677.7 664.5 667.2 666.9 672.1 672.2 2008 673.7 668.9 671.7 673.3 669.5 666.3 664.3 659.3 666.0 663.5 667.7 673.9 2009 674.4 671.1 668.2 670.6 673.4 673.8 668.0 666.1 666.8 664.4 677.1 674.1 2010 683.4 677.9 673.2 667.6 669.0 663.1 655.9 661.2 662.8 665.5 667.4 681.1 2011 680.0 675.6 671.7 670.6 664.8 670.5 672.9 675.0 667.0 668.9 679.4 670.7 2012 670.0 673.9 670.9 666.4 667.3 670.1 663.7 663.7 665.1 666.0 677.2 679.5 2013 677.9 668.5 666.5 666.4 665.4 675.0 664.2 673.9 675.5 670.2 672.3 675.2 2014 680.1 671.9 667.5 667.1 674.9 669.1 661.7 666.5 673.7 666.3 671.2 672.8 2015 675.7 668.6 664.3 662.0 662.5 664.8 656.2 657.7 655.9 - - 674.0 2016 669.5 670.8 661.9 663.5 665.2 - - - - 662.8 676.2 678.4 2017 680.8 673.8 670.3 664.5 665.4 - - - - - - - 2018 - - - - - - - - - - - 676.6 2019 672.0 675.1 668.8 667.1 671.5 656.8 666.8 663.1 659.3 666.7 678.4 680.7 2020 676.9 671.6 663.5 667.5 664.1 665.2 663.1 667.2 663.9 661.1 668.1 670.4 2021 671.9 667.3 671.0 659.3 664.6 663.7 668.1 660.6 660.5 665.0 665.6 668.6 2022 673.9 672.2 667.0 664.3 668.5 672.3 661.5 663.1 660.2 666.1 661.2 668.2 2023 667.1 671.4 668.3 674.0 663.5 670.8 659.6 660.0 668.3 661.8 669.4 669.6 2024 672.8 666.6 665.8 661.2 662.7 664.5 669.2 673.5 663.6 - - -