1990

6.1

2001

4.3

2012

8.9

1998

4.7

1956

6.1

2017

6.4

2022

5.5

1989

7.2

2015

5.1

1993

5.8

1977

7.0

2024

9.5

2014

3.6

2023

7.8

2010

5.0

2009

5.7

2020

9.4

2001

4.6

2022

6.9

1975

4.0