2011 - 14.3%

The 2011 14.3% is the baseline measurement.

2012 - 12.8%

The 2012 decrease to 12.8% from 2011 represents a -1.5% decrease YoY.

2013 - 16.5%

The 2013 increase to 16.5% from 2012 represents a 3.7% increase YoY.

2014 - 14.8%

The 2014 decrease to 14.8% from 2013 represents a -1.7% decrease YoY.

2015 - 15.3%

The 2015 increase to 15.3% from 2014 represents a 0.5% increase YoY.

2016 - 12.9%

The 2016 decrease to 12.9% from 2015 represents a -2.4% decrease YoY.

2017 - 14.6%

The 2017 increase to 14.6% from 2016 represents a 1.7% increase YoY.

2018 - 14.4%

The 2018 decrease to 14.4% from 2017 represents a -0.2% decrease YoY.

2019 - 15.6%

The 2019 increase to 15.6% from 2018 represents a 1.2% increase YoY.

2021 - 10.7%

The 2021 decrease to 10.7% from 2019 represents a -4.9% decrease YoY.

2022 - 12.8%

The 2022 increase to 12.8% from 2021 represents a 2.1% increase YoY.

2023 - 14.7%

The 2023 increase to 14.7% from 2022 represents a 1.9% increase YoY.