| Fig2-17 | ||||
| Årstall | Andel som betaler | Gjennomsnittlig fo | Anslag andel | Anslag gjennomsni |
| 1999 | 36,04109265 | 9100 | ||
| 2000 | 37,03002087 | 9500 | ||
| 2001 | 37,73613292 | 9600 | ||
| 2002 | 36,90171731 | 9800 | ||
| 2003 | 35,89123823 | 10200 | ||
| 2004 | 35,15166144 | 11000 | ||
| 2005 | 32,5878929 | 12400 | ||
| 2006 | 28,91005773 | 14900 | ||
| 2007 | 28,64642194 | 17700 | ||
| 2008 | 22,94945819 | 20600 | ||
| 2009 | 19,58501872 | 24100 | ||
| 2010 | 15,84038432 | 29200 | ||
| 2011 | 16,54353106 | 28500 | ||
| 2012 | 16,46086321 | 29200 | ||
| 2013 | 15,17547463 | 32100 | ||
| 2014 | 13,94853047 | 32900 | ||
| 2015 | 12,49277883 | 33600 | ||
| 2016 | 11,55987257 | 37500 | ||
| 2017 | 11,76702824 | 39600 | ||
| 2018 | 11,98306065 | 38100 | ||
| 2019 | 12,39374042 | 37900 | ||
| 2020 | 13,23087886 | 36400 | ||
| 2021 | 14,56025731 | 33300 | ||
| 2022 | 14,03701817 | 46400 | ||
| 2023 | 14,41627626 | 48500 | 48500 | |
| 2024 | 15,19248497 | 47900 | ||
| 2025 | 15,32624579 | 46800 |