2007

5.7

2011

5.6

2017

5.9

5.3

1985

6.9

2022

6.3

1994

7.0

2019

6.6

1974

6.6

2020

6.7

1993

6.5

2020

6.5

1986

5.8

2001

5.2

1989

5.8

1972

7.4

1999

7.3

1994

7.7

2017

6.7

2012

5.8