1973

7.3

2022

5.6

1996

4.8

2009

4.4

1988

5.6

1981

4.1

1999

4.4

1978

6.1

1980

6.7

2008

6.2

1991

6.5

2008

4.3

2019

2.0

2023

4.9

1961

6.3

2007

5.6

2009

5.4

1976

5.3

1987

6.0

2009

6.3