2003

4.2

1995

7.1

1996

6.8

2005

8.6

1981

7.0

2019

6.4

2015

0.0

1976

7.0

2003

7.5

2017

5.0

1976

7.9

1975

8.3

2022

6.9

2001

0.0

1999

6.8

1995

5.5

1972

7.2

1991

6.6

2001

7.8

1997

6.5