1999

7.7

2023

6.0

1992

5.5

2005

6.7

2000

6.5

1991

6.4

1969

6.9

1998

7.0

2024

5.6

1966

5.7

1988

7.1

2000

7.9

1990

7.3

2020

7.1

1978

7.4

1986

6.0

2023

7.5

2014

6.2

2024

6.0

1975

7.3