2011 - 14.8%

The 2011 14.8% is the baseline measurement.

2012 - 13.8%

The 2012 decrease to 13.8% from 2011 represents a -1.0% decrease YoY.

2013 - 10.8%

The 2013 decrease to 10.8% from 2012 represents a -3.0% decrease YoY.

2014 - 13.4%

The 2014 increase to 13.4% from 2013 represents a 2.6% increase YoY.

2015 - 12.5%

The 2015 decrease to 12.5% from 2014 represents a -0.9% decrease YoY.

2016 - 11.4%

The 2016 decrease to 11.4% from 2015 represents a -1.1% decrease YoY.

2017 - 7.3%

The 2017 decrease to 7.3% from 2016 represents a -4.1% decrease YoY.

2018 - 12.3%

The 2018 increase to 12.3% from 2017 represents a 5.0% increase YoY.

2019 - 13%

The 2019 increase to 13% from 2018 represents a 0.7% increase YoY.

2021 - 11%

The 2021 decrease to 11% from 2019 represents a -2.0% decrease YoY.

2022 - 13.1%

The 2022 increase to 13.1% from 2021 represents a 2.1% increase YoY.

2023 - 8.9%

The 2023 decrease to 8.9% from 2022 represents a -4.2% decrease YoY.