2011 - 16.2%

The 2011 16.2% is the baseline measurement.

2012 - 11.8%

The 2012 decrease to 11.8% from 2011 represents a -4.4% decrease YoY.

2013 - 18.7%

The 2013 increase to 18.7% from 2012 represents a 6.9% increase YoY.

2014 - 13.4%

The 2014 decrease to 13.4% from 2013 represents a -5.3% decrease YoY.

2015 - 15.5%

The 2015 increase to 15.5% from 2014 represents a 2.1% increase YoY.

2016 - 12.7%

The 2016 decrease to 12.7% from 2015 represents a -2.8% decrease YoY.

2017 - 13.3%

The 2017 increase to 13.3% from 2016 represents a 0.6% increase YoY.

2018 - 11.5%

The 2018 decrease to 11.5% from 2017 represents a -1.8% decrease YoY.

2019 - 16%

The 2019 increase to 16% from 2018 represents a 4.5% increase YoY.

2023 - 10.9%

The 2023 decrease to 10.9% from 2019 represents a -5.1% decrease YoY.