2011 - 11.1%

The 2011 11.1% is the baseline measurement.

2012 - 12.5%

The 2012 increase to 12.5% from 2011 represents a 1.4% increase YoY.

2013 - 14.3%

The 2013 increase to 14.3% from 2012 represents a 1.8% increase YoY.

2014 - 12.8%

The 2014 decrease to 12.8% from 2013 represents a -1.5% decrease YoY.

2015 - 13.2%

The 2015 increase to 13.2% from 2014 represents a 0.4% increase YoY.

2016 - 9.3%

The 2016 decrease to 9.3% from 2015 represents a -3.9% decrease YoY.

2017 - 10.2%

The 2017 increase to 10.2% from 2016 represents a 0.9% increase YoY.

2018 - 10.8%

The 2018 increase to 10.8% from 2017 represents a 0.6% increase YoY.

2019 - 10.3%

The 2019 decrease to 10.3% from 2018 represents a -0.5% decrease YoY.

2021 - 11.9%

The 2021 increase to 11.9% from 2019 represents a 1.6% increase YoY.

2022 - 9.8%

The 2022 decrease to 9.8% from 2021 represents a -2.1% decrease YoY.

2023 - 9%

The 2023 decrease to 9% from 2022 represents a -0.8% decrease YoY.