1995

8.1

1996

7.0

2004

7.3

1997

7.5

1975

0.0

2006

7.1

1990

7.8

2006

7.6

1991

7.5

2000

6.2

1994

10.0

2021

6.8

2023

8.0

2024

6.0

6.8

1979

5.8

1969

7.1

2023

6.8

1997

4.5

2012

0.0