2011 - 16.5%

The 2011 16.5% is the baseline measurement.

2012 - 10.3%

The 2012 decrease to 10.3% from 2011 represents a -6.2% decrease YoY.

2013 - 11.7%

The 2013 increase to 11.7% from 2012 represents a 1.4% increase YoY.

2014 - 8.3%

The 2014 decrease to 8.3% from 2013 represents a -3.4% decrease YoY.

2015 - 7.3%

The 2015 decrease to 7.3% from 2014 represents a -1.0% decrease YoY.

2016 - 10.9%

The 2016 increase to 10.9% from 2015 represents a 3.6% increase YoY.

2017 - 10.5%

The 2017 decrease to 10.5% from 2016 represents a -0.4% decrease YoY.

2018 - 11.4%

The 2018 increase to 11.4% from 2017 represents a 0.9% increase YoY.

2019 - 6.1%

The 2019 decrease to 6.1% from 2018 represents a -5.3% decrease YoY.

2021 - 10.3%

The 2021 increase to 10.3% from 2019 represents a 4.2% increase YoY.

2022 - 11.5%

The 2022 increase to 11.5% from 2021 represents a 1.2% increase YoY.

2023 - 5.8%

The 2023 decrease to 5.8% from 2022 represents a -5.7% decrease YoY.