1990

7.7

2002

6.7

2003

7.1

2005

6.9

2008

6.4

2012

10.0

1996

5.9

2007

6.3

1994

5.4

2020

1.0

1994

5.6

2014

6.1

1992

6.0

1991

7.2

2024

7.1

1949

6.8

2017

6.3

2022

6.2

2009

6.1

2023

5.9