| Año | Metros | Mm3 |
|---|---|---|
| 1995 | 1.18 | 1,238.05 |
| 1996 | 0.62 | 633.58 |
| 1997 | 0.33 | 317.07 |
| 1998 | 1.43 | 1,316.54 |
| 1999 | 0.60 | 547.66 |
| 2000 | 0.37 | 311.19 |
| 2001 | 0.83 | 638.00 |
| 2002 | 1.01 | 781.00 |
| 2003 | 3.23 | 2,964.00 |
| 2004 | 2.31 | 2,485.21 |
| 2005 | 0.39 | 425.63 |
| 2006 | 0.63 | 662.48 |
| 2007 | 1.78 | 1,897.44 |
| 2008 | 2.19 | 2,416.03 |
| 2009 | 0.39 | 432.75 |
| 2010 | 1.56 | 1,735.72 |
| 2011 | 0.24 | 262.06 |