1998

6.1

1987

5.2

1995

6.0

2010

6.6

2017

5.9

1993

6.5

2004

6.4

1995

4.6

1968

6.9

1969

7.6

1966

6.1

2013

6.5

1964

6.9

2024

6.8

2002

4.7

2023

9.1

1996

7.2

2024

7.3

2007

5.4

1965

7.5