2011 - 11.5%

The 2011 11.5% is the baseline measurement.

2012 - 10.9%

The 2012 decrease to 10.9% from 2011 represents a -0.6% decrease YoY.

2013 - 11.5%

The 2013 increase to 11.5% from 2012 represents a 0.6% increase YoY.

2014 - 10.3%

The 2014 decrease to 10.3% from 2013 represents a -1.2% decrease YoY.

2015 - 10.3%

The 2015 decrease to 10.3% from 2014 represents a 0.0% decrease YoY.

2016 - 10.3%

The 2016 decrease to 10.3% from 2015 represents a 0.0% decrease YoY.

2017 - 11.4%

The 2017 increase to 11.4% from 2016 represents a 1.1% increase YoY.

2018 - 8.5%

The 2018 decrease to 8.5% from 2017 represents a -2.9% decrease YoY.

2019 - 7.8%

The 2019 decrease to 7.8% from 2018 represents a -0.7% decrease YoY.

2021 - 8.2%

The 2021 increase to 8.2% from 2019 represents a 0.4% increase YoY.

2022 - 8.8%

The 2022 increase to 8.8% from 2021 represents a 0.6% increase YoY.

2023 - 9.7%

The 2023 increase to 9.7% from 2022 represents a 0.9% increase YoY.