1989

6.6

2005

2.7

2001

7.8

2006

6.6

1978

7.5

2004

7.1

2016

5.6

2021

5.2

2014

4.4

2023

5.6

2019

3.8

1990

6.4

2004

7.3

2006

5.3

2015

5.6

1986

5.6

2017

5.6

1988

4.9

1973

5.7

1971

6.6