2011 - 12.8%

The 2011 12.8% is the baseline measurement.

2012 - 12.8%

The 2012 decrease to 12.8% from 2011 represents a 0.0% decrease YoY.

2013 - 17.1%

The 2013 increase to 17.1% from 2012 represents a 4.3% increase YoY.

2014 - 15%

The 2014 decrease to 15% from 2013 represents a -2.1% decrease YoY.

2015 - 15.1%

The 2015 increase to 15.1% from 2014 represents a 0.1% increase YoY.

2016 - 12.5%

The 2016 decrease to 12.5% from 2015 represents a -2.6% decrease YoY.

2017 - 9.6%

The 2017 decrease to 9.6% from 2016 represents a -2.9% decrease YoY.

2018 - 9.4%

The 2018 decrease to 9.4% from 2017 represents a -0.2% decrease YoY.

2019 - 12.8%

The 2019 increase to 12.8% from 2018 represents a 3.4% increase YoY.

2021 - 11.2%

The 2021 decrease to 11.2% from 2019 represents a -1.6% decrease YoY.

2022 - 12.1%

The 2022 increase to 12.1% from 2021 represents a 0.9% increase YoY.

2023 - 9.9%

The 2023 decrease to 9.9% from 2022 represents a -2.2% decrease YoY.