2011 - 13.1%

The 2011 13.1% is the baseline measurement.

2012 - 14.1%

The 2012 increase to 14.1% from 2011 represents a 1.0% increase YoY.

2013 - 14.5%

The 2013 increase to 14.5% from 2012 represents a 0.4% increase YoY.

2014 - 12.7%

The 2014 decrease to 12.7% from 2013 represents a -1.8% decrease YoY.

2015 - 12.8%

The 2015 increase to 12.8% from 2014 represents a 0.1% increase YoY.

2016 - 11.4%

The 2016 decrease to 11.4% from 2015 represents a -1.4% decrease YoY.

2017 - 9.4%

The 2017 decrease to 9.4% from 2016 represents a -2.0% decrease YoY.

2018 - 8.9%

The 2018 decrease to 8.9% from 2017 represents a -0.5% decrease YoY.

2019 - 10.1%

The 2019 increase to 10.1% from 2018 represents a 1.2% increase YoY.

2021 - 10.8%

The 2021 increase to 10.8% from 2019 represents a 0.7% increase YoY.

2022 - 13.4%

The 2022 increase to 13.4% from 2021 represents a 2.6% increase YoY.

2023 - 9.7%

The 2023 decrease to 9.7% from 2022 represents a -3.7% decrease YoY.