1968

7.6

2003

7.8

2006

7.4

1969

4.3

1993

7.7

2002

5.5

2001

5.1

1988

7.1

2023

7.2

1976

5.6

1975

5.5

1995

3.8

2018

4.4

1969

6.5

2004

1.5

2014

6.2

1999

4.8

2004

3.7

1969

4.1

2009

7.0