2005

5.5

1995

6.1

2005

6.2

2003

5.6

1982

7.1

1996

6.8

2009

5.9

1997

6.7

1976

8.2

1998

6.6

2017

7.1

2000

6.1

2017

6.7

2004

5.9

2019

6.5

2002

6.2

2022

5.6

1980

6.6

2003

5.7

1999

7.4