Visa datatabell
| Period | Värde (% sedan 1991) |
|---|---|
| 1991 | 0.00 |
| 1992 | 1.31 |
| 1993 | -0.40 |
| 1994 | -0.20 |
| 1995 | 0.60 |
| 1996 | 6.14 |
| 1997 | 10.36 |
| 1998 | 14.59 |
| 1999 | 18.01 |
| 2000 | 21.23 |
| 2001 | 23.54 |
| 2002 | 25.86 |
| 2003 | 27.77 |
| 2004 | 31.49 |
| 2005 | 35.01 |
| 2006 | 37.22 |
| 2007 | 38.73 |
| 2008 | 39.74 |
| 2009 | 44.97 |
| 2010 | 46.88 |
| 2011 | 46.58 |
| 2012 | 49.60 |
| 2013 | 53.42 |
| 2014 | 57.95 |
| 2015 | 61.87 |
| 2016 | 64.19 |
| 2017 | 64.99 |
| 2018 | 66.00 |
| 2019 | 67.30 |
| 2020 | 69.92 |
| 2021 | 70.72 |
| 2022 | 61.97 |
| 2023 | 54.63 |
| 2024 | 56.44 |
| 2025 | 61.07 |