1999

8.0

2001

6.1

1980

6.7

2005

6.9

1985

5.3

2007

7.6

2014

5.3

1999

6.1

2007

5.3

1952

6.3

1998

6.8

1998

6.5

1964

7.1

1975

5.8

1995

6.5

1998

6.8

1976

5.1

2023

3.5

2014

6.0

1953

4.6