1992

6.9

1975

6.9

2006

7.2

2007

8.1

7.8

2003

7.1

2024

7.2

2015

7.4

1965

6.7

1992

8.6

1974

7.0

2008

5.6

2009

7.9

2006

5.4

1968

6.9

1964

7.7

2024

9.5

2023

9.1

1973

6.2

2000

5.2