Bulgaria [Bulgaria]
- min:
- 3.765
- max:
- 4.85
- avg:
- 4.2
- σ:
- 0.458
| Period | Value |
|---|
| 1973 | 4.667484283447266 |
| 1974 | 4.687042713165283 |
| 1975 | 4.715487957000732 |
| 1976 | 4.719101428985596 |
| 1977 | 4.72934103012085 |
| 1978 | 4.739335060119629 |
| 1979 | 4.754419803619385 |
| 1980 | 4.758687973022461 |
| 1981 | 4.783043384552002 |
| 1982 | 4.798008441925049 |
| 1983 | 4.814216613769531 |
| 1984 | 4.816794395446777 |
| 1985 | 4.829089164733887 |
| 1986 | 4.827333450317383 |
| 1987 | 4.845550537109375 |
| 1988 | 4.850329875946045 |
| 1989 | 4.836987495422363 |
| 1990 | 3.8825361728668213 |
| 1991 | 3.8976004123687744 |
| 1992 | 3.9156148433685303 |
| 1993 | 3.8367247581481934 |
| 1994 | 3.844548463821411 |
| 1995 | 3.8440916538238525 |
| 1996 | 3.8042736053466797 |
| 1997 | 3.765021800994873 |
| 1998 | 3.7866625785827637 |
| 1999 | 3.794534683227539 |
| 2000 | 3.7989444732666016 |
| 2001 | 3.809333324432373 |
| 2002 | 3.8205435276031494 |
| 2003 | 3.8229188919067383 |
| 2004 | 3.8220462799072266 |
| 2005 | 3.8189327716827393 |
| 2006 | 3.82661509513855 |
| 2007 | 3.8411173820495605 |
| 2008 | 3.848024606704712 |
| 2009 | 3.8607006072998047 |
| 2010 | 3.846709966659546 |
| 2011 | 3.8337562084198 |
| 2012 | 3.84230899810791 |
| 2013 | 3.8417115211486816 |
| 2014 | 3.852193832397461 |
| 2015 | 3.880023241043091 |
| 2016 | 3.8870246410369873 |