1993

5.6

1995

7.6

1990

6.9

2010

8.9

2002

8.0

2015

7.9

1965

7.9

2009

7.3

2012

6.6

2021

8.4

2004

8.2

2019

6.8

2007

8.3

1988

7.9

2025

7.0

2021

8.5

1985

3.5

2015

6.6

2014

7.1

2023

7.0