1986

5.3

1997

3.2

2002

4.2

1994

4.8

2023

4.6

2022

5.2

1972

10.0

1972

10.0

2002

4.3

2015

6.7

2008

4.2

2016

5.4

1998

2.9

1979

1.0

2015

7.3

1990

3.5

1982

6.7

1972

6.0

1994

3.6

2021

4.2