2005

6.4

1970

7.1

2019

6.4

2003

5.9

2005

5.3

2007

4.0

1985

5.8

1986

6.1

1983

5.2

2003

7.3

2017

6.9

2001

5.1

2002

6.8

1989

4.5

1999

5.7

1988

6.3

1987

6.9

1999

6.5

1975

5.5

2023

7.2