1990

6.7

1992

4.7

2006

7.0

1955

7.4

1956

7.1

1977

5.6

1969

4.1

2017

7.1

2014

7.0

2009

5.8

2022

6.4

2016

7.0

2012

5.9

1962

7.4

2019

6.9

1977

5.0

2017

6.0

1973

2.5

1979

2.0

2026

0.0