Bulgaria [Bulgaria]
- min:
- 3.597
- max:
- 5.031
- avg:
- 4.172
- σ:
- 0.603
| Period | Value |
|---|
| 1973 | 4.784298896789551 |
| 1974 | 4.810274600982666 |
| 1975 | 4.850366592407227 |
| 1976 | 4.857402324676514 |
| 1977 | 4.870086669921875 |
| 1978 | 4.884324550628662 |
| 1979 | 4.904556751251221 |
| 1980 | 4.903444290161133 |
| 1981 | 4.936314105987549 |
| 1982 | 4.957104682922363 |
| 1983 | 4.978738784790039 |
| 1984 | 4.982012748718262 |
| 1985 | 4.998866081237793 |
| 1986 | 4.998683929443359 |
| 1987 | 5.023151397705078 |
| 1988 | 5.030942916870117 |
| 1989 | 5.012913703918457 |
| 1990 | 3.7654788494110107 |
| 1991 | 3.7858147621154785 |
| 1992 | 3.8103833198547363 |
| 1993 | 3.7010955810546875 |
| 1994 | 3.710082530975342 |
| 1995 | 3.7085189819335938 |
| 1996 | 3.650554656982422 |
| 1997 | 3.597463369369507 |
| 1998 | 3.627023220062256 |
| 1999 | 3.6361401081085205 |
| 2000 | 3.6423003673553467 |
| 2001 | 3.6566624641418457 |
| 2002 | 3.6694633960723877 |
| 2003 | 3.6721560955047607 |
| 2004 | 3.6706809997558594 |
| 2005 | 3.6655919551849365 |
| 2006 | 3.6763193607330322 |
| 2007 | 3.6963753700256348 |
| 2008 | 3.705808162689209 |
| 2009 | 3.7211408615112305 |
| 2010 | 3.701507568359375 |
| 2011 | 3.68418025970459 |
| 2012 | 3.6954357624053955 |
| 2013 | 3.6949148178100586 |
| 2014 | 3.725982427597046 |
| 2015 | 3.760477304458618 |
| 2016 | 3.7696187496185303 |