2001

7.6

2024

6.1

2023

8.6

1993

7.9

1995

7.8

1983

8.0

1992

7.4

1975

7.1

2019

8.3

1975

6.7

2012

7.4

2004

7.7

2011

7.3

6.0

2000

6.2

2018

7.2

2000

7.6

1978

7.8

2015

6.9

1999

7.7