1993

6.7

2004

8.3

2023

7.0

2001

6.6

1992

5.8

2007

8.5

2009

8.3

2004

8.6

1996

5.4

2015

8.0

2020

10.0

2002

3.1

2012

7.0

2019

6.8

1975

7.4

2016

7.8

1962

7.1

9.0

2009

7.3