1992

6.9

2022

7.0

2000

7.6

1986

8.4

1997

7.5

2015

7.0

2015

8.7

1984

7.2

1982

7.8

2004

7.7

2021

7.8

1965

6.0

2011

8.1

1992

8.2

2014

7.6

2003

8.2

2009

6.8

2020

7.4

2002

7.5

2012

7.6