1982

7.5

1996

6.4

2002

7.6

1982

4.0

2009

5.7

1973

6.0

2002

6.6

1995

6.0

2010

5.9

2021

8.0

1983

3.0

2010

7.3

2025

7.4

1977

3.6

2015

5.4

1971

4.6

2001

6.2

1989

3.3

2018

5.6

1991

5.9