1999

5.5

1997

6.4

2020

7.4

2021

5.0

1982

4.7

2025

7.8

2002

7.5

2000

8.5

1990

7.4

1985

7.0

1976

5.1

2003

5.8

2022

8.2

2022

4.1

1993

8.1

2024

8.7

1978

7.0

2016

6.8

1994

7.6

1994

7.2