2007

6.8

1988

5.6

1984

6.1

1972

6.2

1990

7.6

1992

7.9

1967

5.8

1993

6.6

2022

0.0

2001

7.7

1997

6.6

1999

6.3

2002

6.0

1973

7.0

2004

7.5

1975

7.8

2007

5.8

1961

5.6

2016

0.0

2020

10.0