1990

6.1

2023

5.6

2024

7.4

2010

3.5

2007

10.0

2021

9.8

2009

6.0

2000

5.9

2012

6.4

1989

6.7

1992

7.0

2017

4.5

1933

6.8

2021

6.0

2016

3.7

2002

6.3

2003

7.2

2014

1.0