1977

7.3

1998

6.9

2021

6.4

2001

6.5

2003

6.6

2006

5.2

1999

7.6

2025

0.0

2026

0.0

1989

6.2

2018

5.6

2006

7.0

1960

7.4

1987

6.8

1981

6.5

1973

4.5

1984

6.6

2014

5.5

2005

5.6

1956

6.7