1997

6.2

1992

5.8

1979

6.3

2004

7.2

2022

5.9

2016

2.0

2002

6.4

1962

5.9

1982

5.4

1999

6.2

2003

6.7

2009

4.9

2001

5.8

2019

0.0

1999

6.6

1999

6.3

2008

5.5

1984

6.3

2018

6.3

1985

6.1