2018

7.5

1998

6.2

2019

5.4

2016

9.7

2015

3.8

2007

4.7

2014

7.2

1949

5.0

1984

4.5

1996

6.5

2022

7.0

1959

8.2

1995

7.7

1977

5.4

1979

6.0

1962

5.5

2023

9.8