1995

7.8

2012

6.7

2013

7.6

2020

6.6

2014

6.7

1999

6.9

2018

7.3

1977

7.2

2021

8.7

2003

7.6

2016

6.8

2016

10.0

1993

8.1

1977

6.0

2023

8.0

2023

6.2

2006

7.4

2024

6.1

2020

6.6