2011 - 14.8%

The 2011 14.8% is the baseline measurement.

2012 - 11.9%

The 2012 decrease to 11.9% from 2011 represents a -2.9% decrease YoY.

2013 - 14.8%

The 2013 increase to 14.8% from 2012 represents a 2.9% increase YoY.

2014 - 12.9%

The 2014 decrease to 12.9% from 2013 represents a -1.9% decrease YoY.

2015 - 12.1%

The 2015 decrease to 12.1% from 2014 represents a -0.8% decrease YoY.

2016 - 14.5%

The 2016 increase to 14.5% from 2015 represents a 2.4% increase YoY.

2017 - 12.8%

The 2017 decrease to 12.8% from 2016 represents a -1.7% decrease YoY.

2018 - 12.3%

The 2018 decrease to 12.3% from 2017 represents a -0.5% decrease YoY.

2019 - 11.9%

The 2019 decrease to 11.9% from 2018 represents a -0.4% decrease YoY.

2021 - 11.3%

The 2021 decrease to 11.3% from 2019 represents a -0.6% decrease YoY.

2022 - 11.5%

The 2022 increase to 11.5% from 2021 represents a 0.2% increase YoY.

2023 - 12.6%

The 2023 increase to 12.6% from 2022 represents a 1.1% increase YoY.