1992

6.9

1998

7.2

2021

6.9

1990

7.0

2006

7.8

1995

7.6

1996

7.7

2024

8.6

1967

7.7

1980

6.5

2025

10.0

2001

8.1

2015

8.0

2009

8.0

2013

7.6

2021

7.7

2013

6.6

2009

6.0