Period ↓ | value | obs. status |
2020 | 11.45 | Normal value (A) |
2019 | - | Missing value; data exist but were not collected (L) |
2018 | - | Missing value; data exist but were not collected (L) |
2017 | 10.74 | Normal value (A) |
2016 | - | Missing value; data exist but were not collected (L) |
2015 | 10.23 | Normal value (A) |
2014 | 10.29 | Normal value (A) |
2013 | 10.54 | Normal value (A) |
2012 | 10.00 | Normal value (A) |
2011 | 9.90 | Normal value (A) |
2010 | 9.60 | Normal value (A) |
2009 | 9.60 | Normal value (A) |
2008 | 9.70 | Normal value (A) |
2007 | 9.40 | Normal value (A) |
2006 | 9.10 | Normal value (A) |
2005 | 8.90 | Normal value (A) |
2004 | 8.80 | Normal value (A) |
2003 | 8.70 | Normal value (A) |
2002 | 8.60 | Normal value (A) |
2001 | 8.40 | Normal value (A) |
2000 | 8.60 | Normal value (A) |
1999 | 8.60 | Normal value (A) |
1998 | 8.40 | Normal value (A) |
1997 | 8.30 | Normal value (A) |
1996 | 8.20 | Normal value (A) |
1995 | 8.30 | Normal value (A) |
1994 | - | Missing value; data cannot exist (M) |
1993 | - | Missing value; data cannot exist (M) |
1992 | - | Missing value; data cannot exist (M) |
1991 | - | Missing value; data cannot exist (M) |
1990 | 8.10 | Normal value (A) |
1989 | - | Missing value; data cannot exist (M) |
1988 | - | Missing value; data cannot exist (M) |
1987 | - | Missing value; data cannot exist (M) |
1986 | - | Missing value; data cannot exist (M) |
1985 | - | Missing value; data cannot exist (M) |
1984 | - | Missing value; data cannot exist (M) |
1983 | - | Missing value; data cannot exist (M) |
1982 | - | Missing value; data cannot exist (M) |
1981 | - | Missing value; data cannot exist (M) |
1980 | - | Missing value; data cannot exist (M) |