2011 - 13.1%

The 2011 13.1% is the baseline measurement.

2012 - 11.2%

The 2012 decrease to 11.2% from 2011 represents a -1.9% decrease YoY.

2013 - 11.7%

The 2013 increase to 11.7% from 2012 represents a 0.5% increase YoY.

2014 - 12.1%

The 2014 increase to 12.1% from 2013 represents a 0.4% increase YoY.

2015 - 14.1%

The 2015 increase to 14.1% from 2014 represents a 2.0% increase YoY.

2016 - 13.4%

The 2016 decrease to 13.4% from 2015 represents a -0.7% decrease YoY.

2017 - 11.5%

The 2017 decrease to 11.5% from 2016 represents a -1.9% decrease YoY.

2018 - 10.6%

The 2018 decrease to 10.6% from 2017 represents a -0.9% decrease YoY.

2019 - 11.9%

The 2019 increase to 11.9% from 2018 represents a 1.3% increase YoY.

2021 - 12.1%

The 2021 increase to 12.1% from 2019 represents a 0.2% increase YoY.

2022 - 14.3%

The 2022 increase to 14.3% from 2021 represents a 2.2% increase YoY.

2023 - 10.9%

The 2023 decrease to 10.9% from 2022 represents a -3.4% decrease YoY.