1977

6.7

2009

7.7

2019

8.5

1995

7.9

2007

7.3

1994

6.6

2021

7.1

1988

6.9

1996

6.6

1979

6.0

1993

5.9

1993

5.0

2018

7.1

1983

7.3

1988

7.1

1980

8.4

2018

6.3

1985

8.3

2022

7.6

2006

4.3