2011 - 13.8%

The 2011 13.8% is the baseline measurement.

2012 - 15%

The 2012 increase to 15% from 2011 represents a 1.2% increase YoY.

2013 - 13.8%

The 2013 decrease to 13.8% from 2012 represents a -1.2% decrease YoY.

2014 - 12%

The 2014 decrease to 12% from 2013 represents a -1.8% decrease YoY.

2015 - 12.3%

The 2015 increase to 12.3% from 2014 represents a 0.3% increase YoY.

2016 - 10.1%

The 2016 decrease to 10.1% from 2015 represents a -2.2% decrease YoY.

2017 - 10%

The 2017 decrease to 10% from 2016 represents a -0.1% decrease YoY.

2018 - 10%

The 2018 decrease to 10% from 2017 represents a 0.0% decrease YoY.

2019 - 9.5%

The 2019 decrease to 9.5% from 2018 represents a -0.5% decrease YoY.

2021 - 11.3%

The 2021 increase to 11.3% from 2019 represents a 1.8% increase YoY.

2022 - 10.4%

The 2022 decrease to 10.4% from 2021 represents a -0.9% decrease YoY.

2023 - 12%

The 2023 increase to 12% from 2022 represents a 1.6% increase YoY.