1989

5.3

2012

9.4

1984

6.6

2001

6.1

2013

8.5

1979

7.6

1943

6.4

1987

7.4

2011

7.8

2006

9.8

1988

6.2

2003

7.3

2015

4.6

2018

5.8

2019

7.2

1989

5.7

2007

4.9

2021

4.6

2023

6.8

2006

7.5