2011 - 23.8%

The 2011 23.8% is the baseline measurement.

2012 - 20.3%

The 2012 decrease to 20.3% from 2011 represents a -3.5% decrease YoY.

2013 - 22.1%

The 2013 increase to 22.1% from 2012 represents a 1.8% increase YoY.

2014 - 18%

The 2014 decrease to 18% from 2013 represents a -4.1% decrease YoY.

2015 - 19.7%

The 2015 increase to 19.7% from 2014 represents a 1.7% increase YoY.

2016 - 14.2%

The 2016 decrease to 14.2% from 2015 represents a -5.5% decrease YoY.

2017 - 13.5%

The 2017 decrease to 13.5% from 2016 represents a -0.7% decrease YoY.

2018 - 15.6%

The 2018 increase to 15.6% from 2017 represents a 2.1% increase YoY.

2019 - 12.7%

The 2019 decrease to 12.7% from 2018 represents a -2.9% decrease YoY.

2021 - 13.8%

The 2021 increase to 13.8% from 2019 represents a 1.1% increase YoY.

2022 - 15.1%

The 2022 increase to 15.1% from 2021 represents a 1.3% increase YoY.

2023 - 12.3%

The 2023 decrease to 12.3% from 2022 represents a -2.8% decrease YoY.