2002

6.7

2006

5.4

2023

6.1

2007

6.7

1993

6.4

2001

7.5

1979

4.8

1996

5.6

1945

8.1

1999

7.3

2001

4.9

1992

6.6

2004

7.3

1969

7.4

1984

6.7

1973

6.8

2015

6.2

1969

6.0

1969

0.0

1991

6.3