1987

6.8

2005

5.3

1989

6.2

1968

7.1

2023

7.3

1981

5.2

1977

8.0

2023

6.3

2013

3.8

1973

7.5

1989

7.3

2023

10.0

2006

6.8

2006

6.1

2024

0.0

1999

6.9

2003

5.0

1986

0.0

1989

6.2

2008

7.0