Espanha - Reservas de petróleo (Milhões de barris)
| Data | Reservas de petróleo |
|---|---|
| 2021 | 150,0 |
| 2020 | 150,0 |
| 2019 | 150,0 |
| 2018 | 150,0 |
| 2017 | 150,0 |
| 2016 | 150,0 |
| 2015 | 150,0 |
| 2014 | 150,0 |
| 2013 | 150,0 |
| 2012 | 150,0 |
| 2011 | 150,0 |
| 2010 | 150,0 |
| 2009 | 150,0 |
| 2008 | 150,0 |
| 2007 | 150,0 |
| 2006 | 157,6 |
| 2005 | 157,6 |
| 2004 | 157,6 |
| 2003 | 157,6 |
| 2002 | 21,0 |
| 2001 | 21,0 |
| 2000 | 14,0 |
| 1999 | 14,0 |
| 1998 | 30,0 |
| 1997 | 30,0 |
| 1996 | 20,0 |
| 1995 | 20,2 |
| 1994 | 22,5 |
| 1993 | 22,5 |
| 1992 | 21,4 |
| 1991 | 20,0 |
| 1990 | 25,0 |
| 1989 | 26,0 |
| 1988 | 38,6 |
| 1987 | 28,2 |
| 1986 | 90,0 |
| 1985 | 115,0 |
| 1984 | 160,0 |
| 1983 | 131,4 |
| 1982 | 121,7 |
| 1981 | 350,0 |
| 1980 | 150,0 |