2002

6.2

1999

6.8

1990

5.8

1995

5.5

1993

6.8

1996

7.5

1998

5.6

2000

6.3

1998

6.8

1995

6.2

2023

6.3

2022

6.6

1997

6.9

1997

6.5

1968

5.0

1971

8.2

1944

7.6

1972

7.1

2019

6.9

1980

0.0