1986

7.7

2003

7.4

2001

5.9

2008

7.5

1997

5.6

2013

6.0

2019

7.0

2004

6.6

2024

6.9

1999

7.0

1997

7.4

1992

6.5

2020

8.0

2025

6.8

1974

6.9

2023

8.0

0.0

2015

7.3

2016

7.6

2015

7.4