1998

6.1

2019

7.0

2014

6.9

2011

7.1

1980

5.9

1999

6.8

1989

5.5

2012

5.9

2004

6.4

1985

6.1

1998

6.4

1969

6.6

2003

5.2

2022

6.0

2016

7.9

1986

6.2

2008

7.7

2002

6.6

1982

6.7

2003

6.0