| Fig2-10 | |||
| ÅrÅr | Norge | OECD | Sverige, Danmark, |
| 1981 | 50,8 | 47,8 | 53,1 |
| 1982 | 50,8 | 48,33 | 53,18 |
| 1983 | 50,8 | 48,5 | 53,2 |
| 1984 | 50,8 | 48 | 52,78 |
| 1985 | 50,8 | 48,49 | 56,12 |
| 1986 | 50,8 | 47,49 | 52,7 |
| 1987 | 50,8 | 46,94 | 52,7 |
| 1988 | 50,8 | 44,44 | 52,7 |
| 1989 | 50,8 | 42,58 | 54,2 |
| 1990 | 50,8 | 41,34 | 45,83 |
| 1991 | 50,8 | 39,75 | 36,67 |
| 1992 | 28 | 38,04 | 34,33 |
| 1993 | 28 | 36,84 | 29,67 |
| 1994 | 28 | 36,64 | 29 |
| 1995 | 28 | 37,16 | 29 |
| 1996 | 28 | 36,5 | 30 |
| 1997 | 28 | 36,48 | 30 |
| 1998 | 28 | 35,43 | 30 |
| 1999 | 28 | 34,55 | 29,33 |
| 2000 | 28 | 33,66 | 29,67 |
| 2001 | 28 | 32,58 | 29 |
| 2002 | 28 | 31,34 | 29 |
| 2003 | 28 | 30,75 | 29 |
| 2004 | 28 | 29,83 | 29 |
| 2005 | 28 | 28,71 | 27,33 |
| 2006 | 28 | 28,17 | 27,33 |
| 2007 | 28 | 27,67 | 26,33 |
| 2008 | 28 | 26,64 | 26,33 |
| 2009 | 28 | 26,39 | 25,77 |
| 2010 | 28 | 25,74 | 25,77 |
| 2011 | 28 | 25,67 | 25,77 |
| 2012 | 28 | 25,51 | 25,27 |
| 2013 | 28 | 25,68 | 23,83 |
| 2014 | 27 | 25,43 | 22,17 |
| 2015 | 27 | 25,29 | 21,83 |
| 2016 | 25 | 24,65 | 21,33 |
| 2017 | 24 | 24,47 | 21,33 |
| 2018 | 23 | 23,74 | 21,33 |
| 2019 | 22 | 23,53 | 21,13 |
| 2020 | 22 | 23,55 | 21,13 |
| 2021 | 22 | 23,57 | 20,87 |
| 2022 | 22 | 23,57 | 20,87 |
| 2023 | 22 | 23,73 | 20,87 |
| 2024 | 22 | 23,85 | 20,87 |
| 2025 | 22 | 24,2 | 20,87 |