1997

6.4

2001

6.9

2006

5.6

1993

7.5

2000

6.7

1943

6.8

1990

7.5

2014

5.3

2022

10.0

1991

6.4

1999

6.4

1979

7.0

1998

6.6

1986

6.2

2003

6.7

1988

5.4

1989

4.9

1993

4.6

2022

7.3

2004

6.3