Period ↓ | value | obs. status |
2009-11 | - | Missing value; data exist but were not collected (L) |
2009-10 | - | Missing value; data exist but were not collected (L) |
2009-09 | - | Missing value; data exist but were not collected (L) |
2009-08 | - | Missing value; data exist but were not collected (L) |
2009-07 | - | Missing value; data exist but were not collected (L) |
2009-06 | - | Missing value; data exist but were not collected (L) |
2009-05 | - | Missing value; data exist but were not collected (L) |
2009-04 | - | Missing value; data exist but were not collected (L) |
2009-03 | - | Missing value; data exist but were not collected (L) |
2009-02 | - | Missing value; data exist but were not collected (L) |
2009-01 | - | Missing value; data exist but were not collected (L) |
2008-12 | - | Missing value; data exist but were not collected (L) |
2008-11 | - | Missing value; data exist but were not collected (L) |
2008-10 | - | Missing value; data exist but were not collected (L) |
2008-09 | 7.10 | Normal value (A) |
2008-08 | 7.10 | Normal value (A) |
2008-07 | 7.14 | Normal value (A) |
2008-06 | 7.13 | Normal value (A) |
2008-05 | 6.98 | Normal value (A) |
2008-04 | 6.82 | Normal value (A) |
2008-03 | 6.41 | Normal value (A) |
2008-02 | 6.31 | Normal value (A) |
2008-01 | 6.34 | Normal value (A) |
2007-12 | 6.60 | Normal value (A) |
2007-11 | 6.58 | Normal value (A) |
2007-10 | 6.63 | Normal value (A) |
2007-09 | 6.67 | Normal value (A) |
2007-08 | 6.70 | Normal value (A) |
2007-07 | 6.59 | Normal value (A) |
2007-06 | 6.43 | Normal value (A) |
2007-05 | 6.10 | Normal value (A) |
2007-04 | 6.10 | Normal value (A) |
2007-03 | 6.03 | Normal value (A) |
2007-02 | 6.00 | Normal value (A) |
2007-01 | 5.89 | Normal value (A) |
2006-12 | 5.71 | Normal value (A) |
2006-11 | 5.72 | Normal value (A) |
2006-10 | 5.64 | Normal value (A) |
2006-09 | 5.67 | Normal value (A) |
2006-08 | 5.69 | Normal value (A) |
2006-07 | 5.60 | Normal value (A) |
2006-06 | 5.58 | Normal value (A) |
2006-05 | 5.47 | Normal value (A) |
2006-04 | 5.22 | Normal value (A) |
2006-03 | 5.14 | Normal value (A) |
2006-02 | 5.14 | Normal value (A) |
2006-01 | 5.11 | Normal value (A) |
2005-12 | 5.19 | Normal value (A) |
2005-11 | 5.17 | Normal value (A) |
2005-10 | 5.01 | Normal value (A) |
2005-09 | 4.98 | Normal value (A) |
2005-08 | 4.99 | Normal value (A) |
2005-07 | 5.00 | Normal value (A) |
2005-06 | 5.14 | Normal value (A) |
2005-05 | 5.33 | Normal value (A) |
2005-04 | 5.45 | Normal value (A) |
2005-03 | 5.49 | Normal value (A) |
2005-02 | 5.39 | Normal value (A) |
2005-01 | 5.41 | Normal value (A) |
2004-12 | 5.54 | Normal value (A) |
2004-11 | 5.72 | Normal value (A) |
2004-10 | 5.84 | Normal value (A) |
2004-09 | 5.97 | Normal value (A) |
2004-08 | 5.95 | Normal value (A) |
2004-07 | 6.01 | Normal value (A) |
2004-06 | 6.04 | Normal value (A) |
2004-05 | 5.68 | Normal value (A) |
2004-04 | 5.69 | Normal value (A) |
2004-03 | 5.56 | Normal value (A) |
2004-02 | 5.54 | Normal value (A) |
2004-01 | 5.59 | Normal value (A) |
2003-12 | 5.71 | Normal value (A) |
2003-11 | 5.59 | Normal value (A) |
2003-10 | 5.42 | Normal value (A) |
2003-09 | 5.20 | Normal value (A) |
2003-08 | 4.97 | Normal value (A) |
2003-07 | 4.66 | Normal value (A) |
2003-06 | 4.53 | Normal value (A) |
2003-05 | 4.81 | Normal value (A) |
2003-04 | 4.92 | Normal value (A) |
2003-03 | 4.88 | Normal value (A) |
2003-02 | 4.81 | Normal value (A) |
2003-01 | 5.12 | Normal value (A) |
2002-12 | 5.27 | Normal value (A) |
2002-11 | 5.15 | Normal value (A) |
2002-10 | 5.12 | Normal value (A) |
2002-09 | 5.22 | Normal value (A) |
2002-08 | 5.51 | Normal value (A) |
2002-07 | 5.93 | Normal value (A) |
2002-06 | 6.01 | Normal value (A) |
2002-05 | 6.04 | Normal value (A) |
2002-04 | 6.02 | Normal value (A) |
2002-03 | 5.94 | Normal value (A) |
2002-02 | 5.86 | Normal value (A) |
2002-01 | 5.89 | Normal value (A) |
2001-12 | 5.72 | Normal value (A) |
2001-11 | 5.74 | Normal value (A) |
2001-10 | 5.92 | Normal value (A) |
2001-09 | 6.05 | Normal value (A) |
2001-08 | 6.18 | Normal value (A) |
2001-07 | 6.26 | Normal value (A) |
2001-06 | 6.08 | Normal value (A) |
2001-05 | 5.88 | Normal value (A) |
2001-04 | 5.92 | Normal value (A) |
2001-03 | 6.06 | Normal value (A) |
2001-02 | 6.14 | Normal value (A) |
2001-01 | 6.29 | Normal value (A) |
2000-12 | 6.49 | Normal value (A) |
2000-11 | 6.77 | Normal value (A) |
2000-10 | 6.82 | Normal value (A) |
2000-09 | 6.84 | Normal value (A) |
2000-08 | 6.86 | Normal value (A) |
2000-07 | 6.97 | Normal value (A) |
2000-06 | 7.00 | Normal value (A) |
2000-05 | 6.97 | Normal value (A) |
2000-04 | 7.04 | Normal value (A) |
2000-03 | 7.05 | Normal value (A) |
2000-02 | 7.25 | Normal value (A) |
2000-01 | 7.17 | Normal value (A) |
1999-12 | 7.13 | Normal value (A) |
1999-11 | 7.10 | Normal value (A) |
1999-10 | 7.06 | Normal value (A) |
1999-09 | 6.73 | Normal value (A) |
1999-08 | 6.68 | Normal value (A) |
1999-07 | 6.39 | Normal value (A) |
1999-06 | 6.32 | Normal value (A) |
1999-05 | 6.04 | Normal value (A) |
1999-04 | 6.00 | Normal value (A) |
1999-03 | 6.07 | Normal value (A) |
1999-02 | 5.85 | Normal value (A) |
1999-01 | 6.06 | Normal value (A) |
1998-12 | 6.54 | Normal value (A) |
1998-11 | 6.70 | Normal value (A) |
1998-10 | 6.81 | Normal value (A) |
1998-09 | 7.04 | Normal value (A) |
1998-08 | 7.16 | Normal value (A) |
1998-07 | 7.06 | Normal value (A) |
1998-06 | 6.83 | Normal value (A) |
1998-05 | 6.96 | Normal value (A) |
1998-04 | 7.01 | Normal value (A) |
1998-03 | 7.22 | Normal value (A) |
1998-02 | 7.30 | Normal value (A) |
1998-01 | 7.54 | Normal value (A) |
1997-12 | 7.56 | Normal value (A) |
1997-11 | 7.46 | Normal value (A) |
1997-10 | 7.74 | Normal value (A) |
1997-09 | 7.91 | Normal value (A) |
1997-08 | 7.95 | Normal value (A) |
1997-07 | 7.97 | Normal value (A) |
1997-06 | 8.07 | Normal value (A) |
1997-05 | 8.08 | Normal value (A) |
1997-04 | 8.07 | Normal value (A) |
1997-03 | 8.10 | Normal value (A) |
1997-02 | 8.43 | Normal value (A) |
1997-01 | 8.34 | Normal value (A) |
1996-12 | 8.29 | Normal value (A) |
1996-11 | 8.02 | Normal value (A) |
1996-10 | 8.17 | Normal value (A) |
1996-09 | 8.16 | Normal value (A) |
1996-08 | 8.28 | Normal value (A) |
1996-07 | 8.25 | Normal value (A) |
1996-06 | 8.16 | Normal value (A) |
1996-05 | 8.20 | Normal value (A) |
1996-04 | 7.94 | Normal value (A) |
1996-03 | 7.82 | Normal value (A) |
1996-02 | 7.77 | Normal value (A) |
1996-01 | 7.93 | Normal value (A) |
1995-12 | 8.19 | Normal value (A) |