1968

6.4

2016

4.2

2021

9.2

2013

8.1

1964

7.4

1995

5.6

1974

6.2

2011

7.3

2017

6.1

2019

6.1

2014

3.7

2023

7.0

2015

5.2

1982

5.7

2020

5.9

2023

6.7

2016

7.0

1927

6.1

2011

7.5

2011

6.2