1999

8.0

2022

5.7

1995

7.3

1982

7.2

1978

4.7

2019

6.2

1999

6.3

1996

5.1

2008

6.7

2002

4.1

1975

7.9

1997

7.1

2006

5.6

2003

5.9

2004

5.6

2006

7.2

2001

5.3

2007

5.6

1976

7.4

2000

6.1