2011 - 16.2%

The 2011 16.2% is the baseline measurement.

2012 - 14.4%

The 2012 decrease to 14.4% from 2011 represents a -1.8% decrease YoY.

2013 - 13.6%

The 2013 decrease to 13.6% from 2012 represents a -0.8% decrease YoY.

2014 - 14.4%

The 2014 increase to 14.4% from 2013 represents a 0.8% increase YoY.

2015 - 14.6%

The 2015 increase to 14.6% from 2014 represents a 0.2% increase YoY.

2016 - 12.3%

The 2016 decrease to 12.3% from 2015 represents a -2.3% decrease YoY.

2017 - 10.5%

The 2017 decrease to 10.5% from 2016 represents a -1.8% decrease YoY.

2018 - 11.6%

The 2018 increase to 11.6% from 2017 represents a 1.1% increase YoY.

2019 - 10.9%

The 2019 decrease to 10.9% from 2018 represents a -0.7% decrease YoY.

2021 - 10.1%

The 2021 decrease to 10.1% from 2019 represents a -0.8% decrease YoY.

2022 - 8%

The 2022 decrease to 8% from 2021 represents a -2.1% decrease YoY.

2023 - 9.7%

The 2023 increase to 9.7% from 2022 represents a 1.7% increase YoY.