1993

6.1

1982

5.9

1968

6.9

2024

7.6

2001

6.9

2021

1.0

2015

5.9

2016

7.4

6.3

2004

6.0

2022

5.8

7.0

1988

4.8

2024

8.9

2017

7.1

2003

7.2

2002

5.0

2008

5.2

2023

8.0