1963

7.2

2002

6.0

1996

6.1

1986

7.2

1985

3.1

2018

6.8

2025

7.4

2003

4.7

2004

0.0

2023

6.5

2013

6.9

2022

4.9

1986

6.8

1984

6.8

2002

5.6

1994

6.2

1976

7.3

1982

6.8

1984

7.9

2001

8.4