1959

7.8

1996

6.2

2003

5.6

2017

6.8

2019

6.0

2017

4.8

1990

5.5

2003

6.8

2006

6.5

2002

6.3

2001

6.4

1999

7.4

2008

7.2

2023

10.0

1989

6.9

1965

5.5

2004

7.2

1962

6.8

2023

6.7

1972

7.1