2011 - 11.6%

The 2011 11.6% is the baseline measurement.

2012 - 11.6%

The 2012 decrease to 11.6% from 2011 represents a 0.0% decrease YoY.

2013 - 10.7%

The 2013 decrease to 10.7% from 2012 represents a -0.9% decrease YoY.

2014 - 11.6%

The 2014 increase to 11.6% from 2013 represents a 0.9% increase YoY.

2015 - 11.2%

The 2015 decrease to 11.2% from 2014 represents a -0.4% decrease YoY.

2016 - 9.1%

The 2016 decrease to 9.1% from 2015 represents a -2.1% decrease YoY.

2017 - 8.9%

The 2017 decrease to 8.9% from 2016 represents a -0.2% decrease YoY.

2018 - 8.4%

The 2018 decrease to 8.4% from 2017 represents a -0.5% decrease YoY.

2019 - 8%

The 2019 decrease to 8% from 2018 represents a -0.4% decrease YoY.

2021 - 9.5%

The 2021 increase to 9.5% from 2019 represents a 1.5% increase YoY.

2022 - 7.5%

The 2022 decrease to 7.5% from 2021 represents a -2.0% decrease YoY.

2023 - 7.1%

The 2023 decrease to 7.1% from 2022 represents a -0.4% decrease YoY.