Edition (data year),Report dated,3-year average period,"All CO deaths, 3-yr avg","Heating systems, 3-yr avg",Heating share %,"Furnaces incl. boilers, 3-yr avg",Furnaces share of heating %,"Portable heaters, 3-yr avg",First estimate for data year: all,First estimate for data year: heating
2007,Jan 2011,2005-2007,184,57,31.0,26,45.6,19,183,70
2008,Dec 2011,2006-2008,183,61,33.3,31,50.8,16,189,67
2009,Dec 2012,2007-2009,169,55,32.5,25,45.5,13,146,40
2010,Jan 2014,2008-2010,162,52,32.1,25,48.1,14,161,58
2011,Sep 2014,2009-2011,156,49,31.4,22,44.9,13,160,49
2012,Oct 2015,2010-2012,153,52,34.0,27,51.9,15,138,48
2013,Nov 2016,2011-2013,148,46,31.1,23,50.0,12,144,43
2014,Sep 2017,2012-2014,149,51,34.2,24,47.1,13,165,64
2015,Dec 2018,2013-2015,162,48,29.6,22,45.8,14,175,37
2016,Sep 2019,2014-2016,172,51,29.7,26,51.0,13,179,51
2017,Nov 2020,2015-2017,180,43,23.9,24,55.8,14,190,42
2018,Sep 2021,2016-2018,192,52,27.1,26,50.0,19,210,64
2019,Mar 2023,2017-2019,216,58,26.9,22,37.9,22,250,69
2020,Feb 2024,2018-2020,225,66,29.3,23,34.8,27,211,62
2021,Feb 2025,2019-2021,227,66,29.1,23,34.8,29,204,63
2022,May 2026,2020-2022,238,68,28.6,23,33.8,31,274,76